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2023 ARTBA Bridge Report

The American Road & Transportation Builders Association’s (ARTBA) analysis of the recently released 2023 U.S. Department of Transportation (DOT) National Bridge Inventory (NBI) database finds that 36 percent of all U.S. bridges – over 222,000 spans – require major repair work or replacement. Placed end‐to‐end, these structures span over 6,100 miles and would take over 110 hours to cross at an average speed of 55‐miles‐per‐hour.

States currently have access to $10.6 billion in Infrastructure Investment and Jobs Act (IIJA) bridge formula funds that could help make needed repairs on these structures, with another $15.9 billion to be available in the next three years.

September 30 marked the end of FY 2023 and states have committed $3.2 billion, or just 30 percent, of available bridge formula funds to 2,060 different bridge projects, with $7.4 billion still coming.

Eight states committed more than two‐thirds of their available bridge formula funds: Idaho (100 percent), Georgia (100 percent), Alabama (97 percent), Arizona (88 percent), Indiana (81.5 percent), Florida (80 percent), Texas (78 percent), and Arkansas (68 percent). There are 31 states, however, that have committed less than 33 percent of available funds, as of June 30.

States have four years to commit formula bridge program funds for specific projects, giving them additional flexibility to decide when to make investments.

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Another new IIJA bridge program, known as the Bridge Investment Program (BIP), administered on a discretionary basis by the U.S. DOT, provides an additional $12.5 billion for projects that will be awarded through 2026. The BIP has awarded $2.4 billion for 37 planning small and large bridge project grants in 28 states.

More Bridges in Fair Condition as Repairs Continue at Slow Pace
Over the last five years, the share of bridges in fair condition has continued to grow as the share of structures classified in “poor” or “good” condition declined.

Most bridges are inspected every two years, meaning repairs underway or in the planning stages can take time to be reflected in the NBI data.

In 2023, nearly half of all bridges in the U.S. (48.9 percent) were in fair condition. Bridges in poor condition represent 6.8 percent of the 2023 U.S. bridge inventory – compared to 7.4 percent in 2019.

Based on average cost data submitted by states to the U.S. Department of Transportation, ARTBA estimates it would cost over $319 billion to make all needed repairs.

About the Report
The annual ARTBA Bridge Report provides a snapshot in time of our nation’s bridge conditions. The 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.

Bridges are classified in good, fair, or poor condition based on their inspection ratings and definitions from U.S. Department of Transportation.

The definition of “poor” is when a key element of the bridge – 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.

Data on the use of IIJA bridge formula funds is from the U.S. Treasury Department. The data is compiled and analyzed by Dr. Alison Premo Black, ARTBA’s Senior Vice President and Chief Economist. For questions, please contact her at

ARTBA is a non‐partisan federation whose primary goal is to aggressively grow and protect transportation infrastructure investment to meet the public and business demand for safe and efficient travel.

For state‐by‐state and congressional district details visit

2023 Highlights
  • Over 222,000 spans need repair, including 76,600 bridges that should be replaced.
  • This underscores the importance of the new Infrastructure Investment and Jobs Act (IIJA) bridge formula program.
  • As the end of FY 2023 approaches, states have only committed $3.2 billion in bridge formula funds, accounting for 30 percent of the $10.6 billion currently available.
  • These funds have helped support over 2,060 bridge projects in the construction and repair pipeline.
  • Of the bridges needing repair, nearly 42,400 are rated in poor condition and classified as “structurally deficient.” Motorists cross these structures 167 million times a day.
  • The number of bridges in poor condition declined by 560 compared to 2022. At the current pace, it would take nearly 75 years to repair them all.
New Bridges Ranked in Poor Condition
Some bridges newly rated in poor condition include:
  • IH 345 over IH 30 and US 75 Dart Rail, Texas
  • Lacey V. Murrow Memorial Bridge, Washington
  • Route I‐678 over Flushing Bay Promenade, New York
  • NC 58 over Intracoastal Waterway, North Carolina
  • I‐84 White Salmon over the Columbia River, Oregon
  • State Route 51 North Bound in Sacramento, California
  • LA 27 over the Intercoastal Waterway, Gibbstown, Louisiana
  • US 21 Southbound over Beaufort River, South Carolina
  • PR 53 over Grand De Patillas River, Puerto Rico
  • SH 146 over Clear Creek and Shipyard Drive, Texas

The bridge classification is based on the latest inspection, which usually occurs once every 24 months for most bridges. Therefore, state and local governments may be in the process of working on some of these structures to make needed repairs.

Most state rankings stayed the same this year, even as improvements have been made. The states with the most bridges in poor condition, as a percent of their total bridge inventory, are:
1. West Virginia (20 percent, #1 in 2022)
2. Iowa (19 percent, #2 in 2022)
3. South Dakota (17 percent, #3 in 2022)
4. Rhode Island (15 percent, #4 in 2022)
5. Maine (15 percent, #5 in 2022)
6. Pennsylvania (13 percent #6 in 2022)
7. Puerto Rico (13 percent, #7 in 2022)
8. Louisiana (12 percent, #8 in 2022)
9. Michigan (11 percent, #9 in 2022)
10. North Dakota (11 percent, #10 in 2022)

States with the largest number of bridges in poor condition, are:
1. Iowa (4,558 bridges, #1 in 2022)
2. Pennsylvania (3,022 bridges, #2 in 2022)
3. Illinois (2,472 bridges, #3 in 2022)
4. Missouri (2,213 bridges, #4 in 2022)
5. Oklahoma (1,815 bridges, #5 in 2022)
6. California (1,591 bridges, #8 in 2022)
7. New York (1,578 bridges, #6 in 2022)
8. Louisiana (1,545 bridges, #7 in 2022)
9. West Virginia (1,442 bridges, #9 in 2022)
10. North Carolina (1,336 bridges, #10 in 2022)

States with the largest deck area in poor condition are:
1. West Virginia (15 percent, #2 in 2022)
2. Rhode Island (15 percent, #1 in 2022)
3. Illinois (11 percent, #3 in 2022)
4. New York (11 percent, #5 in 2022)
5. Massachusetts (11 percent #4 in 2022)
6. Iowa (10 percent, #7 in 2022)
7. South Dakota (10 percent, #8 in 2022)
8. Maine (10 percent, #6 in 2022)
9. Puerto Rico (10 percent, #9 in 2022)
10. Missouri (8 percent, #10 in 2022)

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