National Bridge Inventory: Oklahoma

  • The state has identified needed repairs on 20,600 bridges.
  • This compares to 21,247 bridges that needed work in 2019.
  • Over the life of the IIJA, Oklahoma will receive a total of $288.0 million in bridge formula funds, which will help make needed repairs.
  • Oklahoma currently has access to $115.2 million of that total, and has committed $23.7 million towards 12 projects as of June 2023.
  • Of the 22,872 bridges in the state, 1,815, or 7.9 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
  • This is down from 2,352 bridges classified as structurally deficient in 2019.
  • The deck area of structurally deficient bridges accounts for 3.6 percent of total deck area on all structures.

County Year Built Daily Crossings Type of Bridge Location
Oklahoma 1959 99,100 Urban Interstate I-240 over I-35 Under
Tulsa 1972 46,000 Urban Interstate I-444 WB Ramp over I-244 Under
Tulsa 1978 34,000 Urban freeway/expressway U.S. 75 over Creek
Oklahoma 1971 22,800 Urban minor arterial NW 122nd St. over Spring Creek
Oklahoma 1974 22,500 Urban minor arterial Macarthur Blvd. over N. Canadian River
Oklahoma 1952 22,000 Urban minor arterial May Ave. over Northwest Expy Under
Oklahoma 1954 21,300 Urban minor arterial SE 29th St(E1090) over Kuhlman Creek
Oklahoma 1942 20,500 Rural major collector SE 29th St(1090) over Crutcho Creek
Oklahoma 1945 20,000 Urban minor arterial S.W 59th Street over Lightning Creek
Oklahoma 1940 20,000 Urban minor arterial NW 136th St. over Creek
Tulsa 1965 19,481 Urban collector Fau 83(E 31St S over Mingo Creek
Tulsa 1975 19,279 Urban collector Fau 83(E.31St.) over Brookhollow Creek
Oklahoma 1971 17,000 Urban minor arterial NW 10th St. W.B. over Street-Ramp-Creek Under
Pottawatomie 1961 16,100 Rural minor arterial U.S. 270 Ramp S-W over I-40 /U.S. 177 Under
Cleveland 1971 15,050 Rural arterial S.H. 9 over Bishop Creek
Oklahoma 1974 15,000 Urban collector E1070 (Reno Ave.) over Crutcho Creek
Comanche 1942 14,994 Urban other principal arterial Fau 7681 (Sheridan over Numu Creek
Tulsa 1965 14,523 Urban collector Fau 8220 (E 71St S over Joe Creek
Oklahoma 1971 14,400 Urban minor arterial E.B. NW 10 St. over Street--Creek Under
Oklahoma 1940 14,100 Urban collector Portland Ave. over Deep Fork Creek
Oklahoma 2000 14,000 Urban minor arterial Western Ave. over Brock Creek
Oklahoma 1971 13,563 Urban minor arterial E1090 (SE 29 St.) over Soldier Creek
Oklahoma 1932 13,300 Urban minor arterial NW 36th St over Creek
Oklahoma 1960 12,400 Urban collector E1070 (Reno Ave.) over Creek
Tulsa 1981 12,200 Urban collector Fau 8320 (W 23 St) over U.P. R.R. Under
Type of Bridge Number of Bridges Area of All Bridges
(sq. meters)
Daily Crossings on All Bridges Number of Structurally Deficient Bridges Area of Structurally Deficient Bridges
(sq. meters)
Daily Crossings on Structurally Deficient Bridges
Rural Interstate 603 572,365 8,658,611 0 0 0
Rural arterial 1,407 1,156,576 7,698,593 7 12,137 34,150
Rural minor arterial 1,209 811,863 3,704,276 11 10,742 42,240
Rural major collector 7,081 2,272,665 6,115,978 508 108,104 209,829
Rural minor collector 6 9,532 3,635 1 4,132 1,400
Rural local road 9,204 1,398,448 1,838,101 1,121 118,513 165,395
Urban Interstate 551 938,046 19,806,489 2 3,731 145,100
Urban freeway/expressway 423 540,200 11,248,640 3 2,568 41,900
Urban other principal arterial 360 417,297 4,150,238 3 1,378 29,794
Urban minor arterial 708 458,207 4,779,119 54 24,084 377,580
Urban collector 580 450,270 3,460,728 47 31,433 217,611
Urban local road 740 172,621 1,260,698 58 14,467 43,150
Total 22,872 9,198,090 72,725,106 1,815 331,289 1,308,149
Type of Work Number of Bridges Cost to Repair
(in millions)
Daily Crossings Area of Bridges
(sq. meters)
Bridge replacement 14,804 $15,441 44,165,709 6,832,057
Widening & rehabilitation 4,903 $1,172 21,609,452 767,018
Rehabilitation 106 $66 288,180 42,700
Deck rehabilitation/replacement 0 $0 0 0
Other structural work 787 $165 835,295 132,690
Total 20,600 $16,844 66,898,636 7,774,466

About the data:

Data and cost estimates are from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on July 3, 2023. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

Effective January 1, 2018, FHWA changed the definition of structurally deficient as part of the final rule on highway and bridge performance measures, published May 20, 2017 pursuant to the 2012 federal aid highway bill Moving Ahead for Progress in the 21st Century Act (MAP-21). Two measures that were previously used to classify bridges as structurally deficient are no longer used. This includes bridges where the overall structural evaluation was rated in poor or worse condition, or where the adequacy of waterway openings was insufficient.

The new definition limits the classification to bridges where one of the key structural elements—the deck, superstructure, substructure or culverts, are rated in poor or worse condition. During inspection, the conditions of a variety of bridge elements are rated on a scale of 0 (failed condition) to 9 (excellent condition). A rating of 4 is considered “poor” condition.

Cost estimates have been derived by ARTBA, based on 2022 average bridge replacement costs for structures on and off the National Highway System, published by FHWA. Bridge rehabilitation costs are estimated to be 68 percent of replacement costs. A bridge is considered to need repair if the structure has identified repairs as part of the NBI, a repair cost estimate is supplied by the bridge owner or the bridge is classified as structurally deficient. Please note that for a few states, the number of bridges needing to be repaired can vary significantly from year to year, and reflects the data entered by the state.

Bridges are classified by FHWA into types based on the functional classification of the roadway on the bridge. Interstates comprise routes officially designated by the Secretary of Transportation. Other principal arterials serve major centers of urban areas or provide mobility through rural areas. Freeways and expressways have directional lanes generally separated by a physical barrier, and access/egress points generally limited to on- and off-ramps. Minor arterials serve smaller areas and are used for trips of moderate length. Collectors funnel traffic from local roads to the arterial network; major collectors have higher speed limits and traffic volumes and are longer in length and spaced at greater intervals, while minor collectors are shorter and provide service to smaller communities. Local roads do not carry through traffic and are intended for short distance travel.

Compared to 11 in 2022

in the nation in % of structurally deficient bridges

1. West Virginia 20.0%
15. Alaska 8.0%
16. Oklahoma 8.0%
17. Nebraska 8.0%

Compared to 5 in 2022

in the nation in # of structurally deficient bridges

1. Iowa 4,558
4. Missouri 2,213
5. Oklahoma 1,815
6. California 1,591

Compared to 32 in 2022

in the nation in % of structurally deficient bridge deck area

1. Rhode Island 15.0%
35. Idaho 4.0%
36. Oklahoma 4.0%
37. Ohio 4.0%
Full State Ranking


  • Source: Data is from the Federal Highway Administration (FHWA) National Bridge Inventory (NBI), downloaded on July 3, 2023. Note that specific conditions on bridges may have changed as a result of recent work or updated inspections.

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