The date of enactment of the Transportation Equity Act for the 21st Century, referred to in subsec. (a)(1)(A), is the date of enactment of Pub. L. 105–178, which was approved June 9, 1998.

The General Bridge Act of 1946, referred to in subsec. (c)(1), is title V of act Aug. 2, 1946, ch. 753, 60 Stat. 847, which is classified generally to subchapter III (§ 525 et seq.) of chapter 11 of Title 33, Navigation and Navigable Waters. For complete classification of this Act to the Code, see Short Title note set out under section 525 of Title 33 and Tables.

The date of enactment of the MAP–21, referred to in subsecs. (d)(2) and (h)(5)(A), (6), is deemed to be Oct. 1, 2012, see section 3(a), (b) of Pub. L. 112–141, set out as Effective and Termination Dates of 2012 Amendment notes under section 101 of this title.

The date of enactment of the Surface Transportation Reauthorization Act of 2021, referred to in subsec. (i)(3), is the date of enactment of div. A of Pub. L. 117–58, which was approved Nov. 15, 2021.

2021—Subsec. (a)(2)(B). Pub. L. 117–58, § 11123(e)(1)(A), inserted “, resilience,” after “safety”.

Subsec. (a)(2)(F). Pub. L. 117–58, § 11123(e)(1)(B)–(D), added subpar. (F).

Subsec. (b)(5). Pub. L. 117–58, § 11524(b), substituted “bridge classified as in poor condition” for “structurally deficient bridge”.

Subsec. (b)(6). Pub. L. 117–58, § 11123(e)(2), added par. (6).

Subsec. (i)(3). Pub. L. 117–58, § 11123(e)(3), added par. (3).

Subsec. (j)(6). Pub. L. 117–58, § 11310(b), struck out par. (6). Text read as follows: “The provisions of section 102(b) do not apply to projects carried out under this subsection.”

2015—Subsec. (c)(2)(A). Pub. L. 114–94, § 1111(1), substituted “the natural condition of the water” for “the natural condition of the bridge”.

Subsecs. (j), (k). Pub. L. 114–94, § 1111(2), (3), added subsec. (j) and redesignated former subsec. (j) as (k).

Subsec. (k)(2). Pub. L. 114–94, § 1111(4), substituted “104(b)(2)” for “104(b)(3)”.

2012—Pub. L. 112–141 amended section generally. Prior to amendment, section related to highway bridge program.

2008—Pub. L. 110–244, § 101(m)(1)(A), struck out “replacement and rehabilitation” after “Highway bridge” in section catchline.

Subsecs. (b)(1), (c)(1)(1). Pub. L. 110–244, § 101(m)(1)(B), substituted “Federal-aid highway” for “Federal-aid system”.

Subsec. (c)(2). Pub. L. 110–244, § 101(m)(1)(C), substituted “Federal-aid highways” for “the Federal-aid system”.

Subsec. (d)(4). Pub. L. 110–244, § 101(m)(1)(D), inserted “systematic” before “preventive” in heading.

Subsec. (e)(1), (2). Pub. L. 110–244, § 101(m)(1)(B), substituted “Federal-aid highway” for “Federal-aid system”.

Subsec. (e)(3), (4). Pub. L. 110–244, § 101(m)(1)(E), substituted “bridges not on Federal-aid highways” for “off-system bridges”.

Subsec. (f). Pub. L. 110–244, § 101(m)(1)(F), (G), redesignated subsec. (g) as (f) and struck out former subsec. (f) which read as follows: “The Federal share payable on account of any project under this section shall be 80 per centum of the cost thereof.”

Subsec. (f)(1)(A)(vi). Pub. L. 110–244, § 101(m)(1)(H), inserted “and the removal of the Missisquoi Bay causeway” after “Bridge”.

Subsec. (f)(2). Pub. L. 110–244, § 101(m)(1)(I), inserted heading and struck out former heading “Off-system bridges”.

Subsecs. (g) to (l). Pub. L. 110–244, § 101(m)(1)(G), redesignated subsecs. (h) to (m) as (g) to (l), respectively. Former subsec. (g) redesignated (f).

Subsec. (m). Pub. L. 110–244, § 101(m)(1)(G), (J), redesignated subsec. (n) as (m), inserted heading, and struck out former heading “Off-System Bridge Program”. Former subsec. (m) redesignated (l).

Subsec. (n). Pub. L. 110–244, § 101(m)(1)(G), redesignated subsec. (o) as (n). Former subsec. (n) redesignated (m).

Subsec. (n)(4)(B). Pub. L. 110–244, § 101(m)(1)(K), substituted “State transportation department” for “State highway agency”.

Subsec. (o). Pub. L. 110–244, § 101(m)(1)(G), redesignated subsec. (p) as (o). Former subsec. (o) redesignated (n).

Subsec. (o)(2). Pub. L. 110–244, § 101(m)(1)(C), substituted “Federal-aid highways” for “the Federal-aid system”.

Subsecs. (p) to (s). Pub. L. 110–244, § 101(m)(1)(G), redesignated subsecs. (p) to (s) as (o) to (r), respectively.

2005—Subsec. (a). Pub. L. 109–59, § 1114(a), inserted heading and amended text of subsec. (a) generally. Prior to amendment, text read as follows: “Congress hereby finds and declares it to be in the vital interest of the Nation that a highway bridge replacement and rehabilitation program be established to enable the several States to replace or rehabilitate highway bridges over waterways, other topographical barriers, other highways, or railroads when the States and the Secretary finds that a bridge is significantly important and is unsafe because of structural deficiencies, physical deterioration, or functional obsolescence.”

Subsec. (d). Pub. L. 109–59, § 1114(b), inserted heading and amended text of subsec. (d) generally. Prior to amendment, text related to approval of Federal participation in replacement or rehabilitation of bridges.

Subsec. (e). Pub. L. 109–59, § 1114(c), in third sentence, substituted “deck area” for “square footage”, in fourth sentence, struck out “the total cost of deficient bridges in a State and in all States shall be reduced by the total cost of any highway bridges constructed under subsection (m) in such State, relating to replacement of destroyed bridges and ferryboat services, and,” after “For purposes of the preceding sentence,”, and, in seventh sentence, substituted “for the period specified in section 118(b)(2)” for “for the same period as funds apportioned for projects on the Federal-aid primary system under this title”.

Subsec. (g). Pub. L. 109–59, § 1114(e)(2)(A), substituted “Bridge Set-asides” for “Set Asides” in heading.

Subsec. (g)(1). Pub. L. 109–59, § 1114(e)(2)(A), added par. (1) and struck out heading and text of former par. (1), which related to apportionments for the discretionary bridge program for fiscal years 1992 through 2005.

Subsec. (g)(1)(C). Pub. L. 109–59, § 1114(e)(1), substituted “2005” for “2003” in heading and text.

Subsec. (g)(2). Pub. L. 109–59, § 1114(e)(2)(C), redesignated par. (3) as (2).

Pub. L. 109–59, § 1114(e)(2)(A), (B), both amended subsec. (g) by striking out heading and text of par. (2). Text read as follows: “Subject to section 149(d) of the Federal-Aid Highway Act of 1987, amounts made available by paragraph (1) for obligation at the discretion of the Secretary may be obligated only—

“(A) for a project for a highway bridge the replacement or rehabilitation cost of which is more than $10,000,000, and

“(B) for a project for a highway bridge the replacement or rehabilitation cost of which is less than $10,000,000 if such cost is at least twice the amount apportioned to the State in which such bridge is located under subsection (e) for the fiscal year in which application is made for a grant for such bridge.”

Subsec. (g)(3). Pub. L. 109–59, § 1114(e)(2)(C), redesignated par. (3) as (2).

Pub. L. 109–59, § 1114(d), reenacted heading without change and amended text of par. (3) generally. Prior to amendment, text read as follows: “Not less than 15 percent nor more than 35 percent of the amount apportioned to each State in each of fiscal years 1987 through 2004 and in the period of October 1, 2004, through July 30, 2005, shall be expended for projects to replace, rehabilitate, paint or seismic retrofit, or apply calcium magnesium acetate, sodium acetate/formate, or other environmentally acceptable, minimally corrosive anti-icing and de-icing compositions or install scour countermeasures to highway bridges located on public roads, other than those on a Federal-aid highway. The Secretary, after consultation with State and local officials, may, with respect to such State, reduce the requirement for expenditure for bridges not on a Federal-aid highway when the Secretary determines that such State has inadequate needs to justify such expenditure.”

Pub. L. 109–40 substituted “July 30” for “July 27”.

Pub. L. 109–37 substituted “July 27” for “July 21”.

Pub. L. 109–35 substituted “July 21” for “July 19”.

Pub. L. 109–20 substituted “July 19” for “June 30”.

Pub. L. 109–14 substituted “June 30” for “May 31”.

Subsec. (i). Pub. L. 109–59, § 1114(g), struck out “at the same time as the report required by section 307(f) of this title is submitted to Congress” after “biennially” in concluding provisions.

Subsecs. (r), (s). Pub. L. 109–59, § 1114(f), added subsecs. (r) and (s).

2004—Subsec. (g)(3). Pub. L. 108–310 inserted “and in the period of October 1, 2004, through May 31, 2005,” after “2004”.

Pub. L. 108–280 substituted “2004” for “2003 and in the period of October 1, 2003, through July 31, 2004,”.

Pub. L. 108–263 substituted “July 31” for “June 30”.

Pub. L. 108–224 substituted “June 30” for “April 30”.

Pub. L. 108–202 substituted “April 30” for “February 29”.

2003—Subsec. (g)(3). Pub. L. 108–88 inserted “and in the period of October 1, 2003, through February 29, 2004,” after “2003”.

1998—Subsec. (d). Pub. L. 105–178, § 1109(d)(1), (2), inserted “, sodium acetate/formate, or other environmentally acceptable, minimally corrosive anti-icing and de-icing compositions or installing scour countermeasures” after “magnesium acetate” and inserted “or sodium acetate/formate or such anti-icing or de-icing composition or installation of such countermeasures” after “such acetate” in two places.

Subsec. (e). Pub. L. 105–178, § 1109(a), inserted “, and, if a State transfers funds apportioned to the State under this section in a fiscal year beginning after September 30, 1997, to any other apportionment of funds to such State under this title, the total cost of deficient bridges in such State and in all States to be determined for the succeeding fiscal year shall be reduced by the amount of such transferred funds” after “destroyed bridges and ferryboat services”.

Subsec. (g)(1). Pub. L. 105–178, § 1109(b), designated existing provisions as subpar. (A), inserted heading, realigned margins, and added subpars. (B) and (C).

Subsec. (g)(3). Pub. L. 105–178, § 1109(c), (d)(3), substituted “through 2003” for “1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, and 1997,”, substituted “Federal-aid highway” for “Federal-aid system” in two places, and inserted “, sodium acetate/formate, or other environmentally acceptable, minimally corrosive anti-icing and de-icing compositions or install scour countermeasures” after “magnesium acetate”.

Subsec. (g)(4). Pub. L. 105–178, § 1115(f)(3), as added by Pub. L. 105–206, § 9002(i), struck out heading and text of par. (4). Text read as follows: “Not less than 1 percent of the amount apportioned to each State which has an Indian reservation within its boundaries for each fiscal year shall be expended for projects to replace, rehabilitate, paint, or apply calcium magnesium acetate to highway bridges located on Indian reservation roads. Upon determining a State bridge apportionment and before transferring funds to the States, the Secretary shall transfer the Indian reservation bridge allocation under this paragraph to the Secretary of the Interior for expenditure pursuant to this paragraph. The Secretary, after consultation with State and Indian tribal government officials and with the concurrence of the Secretary of the Interior, may, with respect to such State, reduce the requirement for expenditure for bridges under this paragraph when the Secretary determines that there are inadequate needs to justify such expenditure. The non-Federal share payable on account of such a project may be provided from funds made available for Indian reservation roads under chapter 2 of this title.”

Subsec. (n). Pub. L. 105–178, § 1109(e), substituted “Federal-aid highway” for “Federal-aid system”.

1995—Subsec. (i)(1). Pub. L. 104–59, § 325(b), substituted “Committee on Transportation and Infrastructure” for “Committee on Public Works and Transportation”.

Subsec. (l). Pub. L. 104–59, § 318, inserted at end “Any non-Federal funds expended for the seismic retrofit of the bridge may be credited toward the non-Federal share required as a condition of receipt of any Federal funds for seismic retrofit of the bridge made available after the date of the expenditure.”

1994—Subsec. (d). Pub. L. 103–220, § 1(1), inserted before period at end of third sentence “, except that a State may carry out a project for seismic retrofit of a bridge under this section without regard to whether the bridge is eligible for replacement or rehabilitation under this section”.

Subsec. (e). Pub. L. 103–220, § 1(2), inserted at end “The use of funds authorized under this section to carry out a project for the seismic retrofit of a bridge shall not affect the apportionment of funds under this section.”

1991—Subsec. (c)(3). Pub. L. 102–240, § 1028(a), added par. (3).

Subsec. (d). Pub. L. 102–240, § 1028(b), inserted “Whenever any State makes application to the Secretary for assistance in painting and seismic retrofit, or applying calcium magnesium acetate to, the structure of a highway bridge, the Secretary may approve Federal participation in the painting or seismic retrofit of, or application of such acetate to, such structure.” after first sentence and “(other than projects for bridge structure painting or seismic retrofit or application of such acetate)” after “projects” in last sentence.

Subsec. (f). Pub. L. 102–240, § 1028(c), substituted “project” for “highway bridge replaced or rehabilitated”.

Subsec. (g)(1). Pub. L. 102–240, § 1028(d), amended par. (1) generally. Prior to amendment, par. (1) read as follows: “Of the amount authorized per fiscal year for each of fiscal years 1987, 1988, 1989, 1990, and 1991 by section 106(a)(5) of the Federal-Aid Highway Act of 1987, all but $225,000,000 per fiscal year shall be apportioned as provided in subsection (e) of this section. $225,000,000 per fiscal year of the amount authorized for each of such fiscal years shall be available for obligation on the date of each such apportionment in the same manner and to the same extent as the sums apportioned on such date, except that the obligation of such $225,000,000 shall, subject to section 149(d) of the Federal-Aid Highway Act of 1987, be at the discretion of the Secretary.”

Subsec. (g)(3). Pub. L. 102–240, § 1028(e)(1), substituted “1991, 1992, 1993, 1994, 1995, 1996, and 1997” for “and 1991” and “, rehabilitate, paint or seismic retrofit, or apply calcium magnesium acetate to” for “or rehabilitate”.

Subsec. (g)(4). Pub. L. 102–240, § 1028(f), added par. (4).

Subsecs. (p), (q). Pub. L. 102–240, § 1028(e)(2), added subsec. (p) and redesignated former subsec. (p) as (q).

1987—Subsec. (e). Pub. L. 100–17, § 133(b)(11), inserted at end “Funds apportioned under this section shall be available for expenditure for the same period as funds apportioned for projects on the Federal-aid primary system under this title. Any funds not obligated at the expiration of such period shall be reapportioned by the Secretary to the other States in accordance with this subsection.”

Pub. L. 100–17, § 123(d)(3), inserted after third sentence “For purposes of the preceding sentence, the total cost of deficient bridges in a State and in all States shall be reduced by the total cost of any highway bridges constructed under subsection (m) in such State, relating to replacement of destroyed bridges and ferryboat services.”

Subsec. (g). Pub. L. 100–17, § 123(a), amended subsec. (g) generally, revising and restating as pars. (1) to (3) provisions formerly contained in pars. (1) and (2).

Subsec. (h). Pub. L. 100–17, § 123(b), substituted “(1)” for “which are not subject to the ebb and flow of the tide, and” and added cl. (2).

Subsec. (i). Pub. L. 100–17, § 128, substituted “307(f)” for “307(e)” in last sentence.

Pub. L. 100–17, § 123(c), amended subsec. (i) generally. Prior to amendment, subsec. (i) read as follows: “The Secretary shall report annually on projects approved under this section, shall annually revise and report the current inventories authorized by subsections (b) and (c) of this section, and shall report such recommendations as he may have for improvement of the program authorized by this section.”

Subsec. (m). Pub. L. 100–17, § 123(d)(1), added subsec. (m). Former subsec. (m) redesignated (p).

Subsec. (n). Pub. L. 100–17, § 123(e), which directed that this section be amended by adding subsec. (n) after subsec. (l), was executed by adding subsec. (n) after subsec. (m), to reflect the probable intent of Congress.

Subsec. (o). Pub. L. 100–17, § 123(f)(2), which directed that this section be amended by adding subsec. (o) after subsec. (l), was executed by adding subsec. (o) after subsec. (n), to reflect the probable intent of Congress.

Subsec. (p). Pub. L. 100–17, § 123(d)(1), redesignated former subsec. (m) as (p).

1983—Subsec. (e). Pub. L. 97–424, § 121(a), substituted provisions setting forth categorization, formula for apportionment factors, and limitations respecting deficient bridges for provisions relating to apportionment of funds for fiscal years ending Sept. 30, 1979, through Sept. 30, 1983, availability for expenditure of such funds, and reapportionment by the Secretary.

Pub. L. 97–327, § 5(c)(1), substituted “September 30, 1982, and September 30, 1983” for “and September 30, 1982”.

Subsec. (g). Pub. L. 97–424, § 122(a), designated existing provisions as par. (1), struck out provisions added by section 5(c)(2) of Pub. L. 97–327 relating to apportionment of amounts for fiscal year ending Sept. 30, 1983, and added par. (2).

Pub. L. 97–327, § 5(c)(2), inserted provision that, of the amount authorized for the fiscal year ending September 30, 1983, by paragraph (1) of section 5(a) of the Federal-Aid Highway Act of 1982, all but $200,000,000 (multiplied by the factor determined under section 4(a) of such Act) be apportioned, and that $200,000,000 (multiplied by such factor) of the amount authorized for such fiscal year be available for obligation on the date of each such apportionment in the same manner and to the same extent as the sums apportioned on such date with specific limitations applicable to the obligation of such $200,000,000.

1979—Subsec. (d). Pub. L. 96–106, § 7(a), substituted “such bridge with a comparable facility or in rehabilitating such bridge” for “or rehabilitating such bridge with a comparable facility”.

Subsec. (g). Pub. L. 96–106, § 8(a), inserted “, and for any project for a highway bridge the replacement or rehabilitation costs of which is less than $10,000,000 if such costs is at least twice the amount apportioned to the State in which such bridge is located under subsection (e) of this section for the fiscal year in which application is made for a grant for such bridge”.

Subsec. (m). Pub. L. 96–106, § 7(b), substituted “major work” for “major repairs”.

1978—Subsec. (a). Pub. L. 95–599 substituted provisions relating to Congressional findings as to highway bridge replacement and rehabilitation for provisions relating to Congressional findings as to special bridge replacement.

Subsec. (b). Pub. L. 95–599 added cl. (4).

Subsec. (c). Pub. L. 95–599 added subsec. (c). Former subsec. (c) redesignated (d).

Subsec. (d). Pub. L. 95–599 redesignated former subsec. (c) as (d) and among other amendments struck out provisions requiring Secretary to consider economy of area and approval of projects without regard to allocation formulas under this title.

Subsec. (e). Pub. L. 95–599 added subsec. (e). Former subsec. (e) redesignated (g).

Subsec. (f). Pub. L. 95–599 redesignated former subsec. (d) as (f), substituted “80” for “75”, and inserted “highway” after “account of any”. Former subsec. (f) was struck out.

Subsec. (g). Pub. L. 95–599 redesignated former subsec. (e) as (g) and inserted provisions authorizing appropriations for fiscal years ending Sept. 30, 1979 through Sept. 30, 1982. Former subsec. (g) redesignated (h).

Subsec. (h). Pub. L. 95–599 redesignated former subsec. (g) as (h) and inserted provisions relating to exceptions to applications of the General Bridge Act of 1946. Former subsec. (h) redesignated (i).

Subsec. (i). Pub. L. 95–599 redesignated former subsec. (h) as (i) and inserted provisions relating to revision and report of current inventories.

Subsecs. (j) to (m). Pub. L. 95–599 added subsecs. (j) to (m).

1975—Subsec. (e). Pub. L. 93–643 increased appropriations authorization to $125,000,000 from $75,000,000 for fiscal year ending June 30, 1976.

1973—Subsec. (e). Pub. L. 93–87, § 204(a), provided for appropriations authorization of $25,000,000, $75,000,000, and $75,000,000 for fiscal years ending June 30, 1974, 1975, and 1976.

Subsecs. (f) to (h). Pub. L. 93–87, § 204(b), (c), added subsec. (f) and redesignated former subsecs. (f) and (g) as (g) and (h), respectively.

Amendment by Pub. L. 117–58 effective Oct. 1, 2021, see section 10003 of Pub. L. 117–58, set out as a note under section 101 of this title.

Amendment by Pub. L. 114–94 effective Oct. 1, 2015, see section 1003 of Pub. L. 114–94, set out as a note under section 5313 of Title 5, Government Organization and Employees.

Amendment by Pub. L. 112–141 effective Oct. 1, 2012, see section 3(a) of Pub. L. 112–141, set out as an Effective and Termination Dates of 2012 Amendment note under section 101 of this title.

Pub. L. 109–59, title I, § 1114(e)(2), Aug. 10, 2005, 119 Stat. 1174, provided that the amendment made by section 1114(e)(2) is effective Oct. 1, 2005.

Title IX of Pub. L. 105–206 effective simultaneously with enactment of Pub. L. 105–178 and to be treated as included in Pub. L. 105–178 at time of enactment, and provisions of Pub. L. 105–178, as in effect on day before July 22, 1998, that are amended by title IX of Pub. L. 105–206 to be treated as not enacted, see section 9016 of Pub. L. 105–206, set out as a note under section 101 of this title.

Amendment by Pub. L. 102–240 effective Dec. 18, 1991, and applicable to funds authorized to be appropriated or made available after Sept. 30, 1991, and, with certain exceptions, not applicable to funds appropriated or made available on or before Sept. 30, 1991, see section 1100 of Pub. L. 102–240, set out as a note under section 104 of this title.

Pub. L. 100–17, title I, § 123(d)(2), Apr. 2, 1987, 101 Stat. 162, provided that: “The amendment made by subsection (a) [amending this section] shall apply to funds apportioned to the States under [former] section 144 of title 23, United States Code, after September 30, 1986.”

Pub. L. 97–424, title I, § 121(b), Jan. 6, 1983, 96 Stat. 2112, provided that: “The amendment made by subsection (a) of this section [amending this section] shall take effect October 1, 1982, and shall apply with respect to each fiscal year beginning on or after such date. Notwithstanding subsection (e) of [former] section 144 of title 23, United States Code, as soon as practical after the date of enactment of this Act [Jan. 6, 1983], the Secretary of Transportation shall apportion under such subsection (e), as amended by subsection (a) of this section, sums authorized to be appropriated to carry out such section 144 for the fiscal year ending September 30, 1983.”

For termination, effective May 15, 2000, of reporting provisions in subsec. (h)(1), (3), and (4) of this section, see section 3003 of Pub. L. 104–66, as amended, set out as a note under section 1113 of Title 31, Money and Finance, and page 135 of House Document No. 103–7.

Pub. L. 109–59, title I, § 1804, Aug. 10, 2005, 119 Stat. 1458, which directed the Secretary of Transportation to make grants to States that submitted applications to the Secretary that demonstrated a need for assistance in carrying out one or more historic covered bridge projects, was repealed by Pub. L. 112–141, div. A, title I, § 1519(b)(2), July 6, 2012, 126 Stat. 575.

Pub. L. 105–178, title I, § 1224, as added by Pub. L. 105–206, title IX, § 9003(a), July 22, 1998, 112 Stat. 837, directed the Secretary of Transportation to make grants to States that submitted applications to the Secretary that demonstrated a need for assistance in carrying out one or more historic covered bridge projects and authorized appropriations for fiscal years 1999 through 2003.

Pub. L. 109–59, title I, § 1805, Aug. 10, 2005, 119 Stat. 1459, as amended by Pub. L. 112–141, div. A, title I, § 1523, July 6, 2012, 126 Stat. 580, provided that:

Pub. L. 102–240, title I, § 1039, Dec. 18, 1991, 105 Stat. 1990, as amended by Pub. L. 102–388, title IV, § 408, Oct. 6, 1992, 106 Stat. 1564, authorized the Secretary to make grants to entities for research and construction of timber bridges and other timber highway structures and authorized appropriations for fiscal years 1992 to 1997.

Pub. L. 102–240, title I, § 1089, Dec. 18, 1991, 105 Stat. 2023, directed Secretary of Transportation to conduct a study of advisability and feasibility of establishing an international border highway infrastructure discretionary program and, not later than Sept. 30, 1993, transmit to Congress a report on results of the study, together with any recommendations.

Pub. L. 100–17, title I, § 123(f)(1), Apr. 2, 1987, 101 Stat. 163, provided that: “Congress hereby finds and declares it to be in the national interest to encourage the rehabilitation, reuse and preservation of bridges significant in American history, architecture, engineering and culture. Historic bridges are important links to our past, serve as safe and vital transportation routes in the present, and can represent significant resources for the future.”

Pub. L. 100–17, title I, § 123(f)(3), Apr. 2, 1987, 101 Stat. 163, provided for a study and recommendations by the Transportation Research Board on the preservation and rehabilitation of historic bridges and required the Board to submit a report on the study and recommendations.

Pub. L. 100–17, title I, § 160, Apr. 2, 1987, 101 Stat. 212, directed Secretary to conduct a comprehensive study and investigation of improvement and maintenance needs for highway bridges which cross rail lines and whose ownership has been disputed and, not later than 30 months after Apr. 2, 1987, submit to Congress a report on the study and investigation along with recommendations on how the bridge needs could best be addressed on a long term basis in a cost-effective manner.

Pub. L. 97–424, title I, § 130, Jan. 6, 1983, 96 Stat. 2118, authorized funds to complete construction of a four-lane bridge in certain cases where funds to construct a two-lane bridge had been authorized by a law enacted between Jan. 1, 1970, and Jan. 6, 1983.

Pub. L. 97–424, title I, § 161, Jan. 6, 1983, 96 Stat. 2135, as amended by Pub. L. 100–17, title I, § 123(h), Apr. 2, 1987, 101 Stat. 164, required the Secretary to develop a selection process and issue a final regulation no later than 6 months after Jan. 6, 1983, regarding funding priority of discretionary bridges.

Pub. L. 96–106, § 8(b), Nov. 9, 1979, 93 Stat. 797, provided for the transfer of discretionary bridge funds authorized under subsec. (g) of this section for fiscal year 1980 to a State’s apportionment under former section 104(b)(6) of this title to repay funds obligated under section 104(b)(6) between June 1 and July 31, 1979, for bridge projects which are eligible for funding by virtue of the amendment of subsec. (g) of this section by section 8(a) of Pub. L. 96–106.

Pub. L. 95–599, title I, § 124(c), Nov. 6, 1978, 92 Stat. 2705, directed Secretary of Transportation to complete the requirements of subsec. (c) of this section, as amended by subsec. (a) of section 124 of Pub. L. 95–599, not later than the last day of the second full calendar year which begins after Nov. 6, 1978.

Pub. L. 95–599, title I, § 147, Nov. 6, 1978, 92 Stat. 2714, as amended by Pub. L. 96–106, § 15, Nov. 19, 1979, 93 Stat. 798; Pub. L. 99–272, title IV, § 4105, Apr. 7, 1986, 100 Stat. 116, directed Secretary of Transportation to conduct two projects to construct or replace high-traffic-volume bridges on the Federal-aid highway system which span major bodies of water in order to demonstrate the feasibility of reducing the time required to replace unsafe bridges; authorized funds for the projects; directed Secretary to report to Congress within six months after the completion of each project; redirected certain funds in excess of amounts needed to complete the projects for use in further projects for construction of three state-of-the-art Ohio River bridges linking designated cities in Kentucky and Ohio; and directed Secretary to report to Congress within a year after the completion of these bridges.