Browse Bridge Database
23,716 bridges in the FHWA National Bridge Inventory in Iowa.
National Bridge Inventory Database
Browse 23,716 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| BEAVER CREEK | Iowa | Fair | 1979 | 75.3 m | 679 |
| OTTER CREEK | Iowa | Fair | 1990 | 39.3 m | 679 |
| CALAMUS CREEK | Iowa | Good | 2020 | 6.1 m | 679 |
| INDIAN CREEK | Iowa | Fair | 2003 | 39.0 m | 678 |
| STREAM | Iowa | Fair | 1960 | 13.7 m | 678 |
| NEELY BRANCH | Iowa | Poor | 1962 | 47.9 m | 678 |
| CREEK | Iowa | Fair | 1985 | 6.4 m | 678 |
| WEST FORK CEDAR RIVER | Iowa | Fair | 2008 | 184.7 m | 678 |
| ROCK CREEK | Iowa | Fair | 1977 | 35.1 m | 678 |
| GIZZARD CREEK | Iowa | Fair | 1958 | 11.6 m | 678 |
| BRANCH IOWA RIVER | Iowa | Poor | 1965 | 13.4 m | 678 |
| CLEAR CREEK | Iowa | Good | 2003 | 39.0 m | 675 |
| INDIAN CREEK | Iowa | Good | 2024 | 6.1 m | 673 |
| ROCK RUN | Iowa | Fair | 1980 | 9.1 m | 672 |
| FAWN CREEK | Iowa | Good | 2020 | 9.8 m | 671 |
| DIVISION CREEK | Iowa | Good | 2020 | 9.1 m | 671 |
| FLINT RIVER | Iowa | Poor | 1974 | 58.5 m | 670 |
| BEAR CREEK | Iowa | Good | 1983 | 40.5 m | 670 |
| STREAM | Iowa | Good | 2022 | 9.9 m | 670 |
| BIG SIOUX RIVER | Iowa | Fair | 1980 | 176.5 m | 670 |
| S. AVERY CREEK | Iowa | Fair | 1975 | 39.0 m | 670 |
| OLD MANS CREEK | Iowa | Good | 2009 | 61.3 m | 670 |
| OLD BOYER RIVER CHANNEL | Iowa | Fair | 1966 | 19.2 m | 670 |
| SPRUCE CREEK | Iowa | Fair | 1982 | 38.1 m | 670 |
| EAST BUTTRICK CREEK | Iowa | Fair | 1955 | 16.5 m | 670 |
| MOON CREEK | Iowa | Good | 2019 | 27.7 m | 670 |
| ELK CREEK | Iowa | Good | 2020 | 39.9 m | 669 |
| DYE CREEK | Iowa | Fair | 1973 | 6.7 m | 669 |
| TURKEY RIVER | Iowa | Good | 2009 | 60.7 m | 669 |
| OLD CHANNEL DES MOINES R | Iowa | Good | 1994 | 54.6 m | 669 |
| DD 81 | Iowa | Good | 1994 | 75.0 m | 669 |
| DD #48 | Iowa | Good | 2005 | 24.4 m | 669 |
| DRAINAGE | Iowa | Fair | 1960 | 6.7 m | 669 |
| EAST BR INDIAN CREEK | Iowa | Good | 1963 | 25.0 m | 669 |
| DRAINAGE DITCH | Iowa | Fair | 1921 | 15.9 m | 669 |
| DRAINAGE DITCH #31 | Iowa | Fair | 1990 | 30.2 m | 669 |
| BRANCH VILLAGE CREEK | Iowa | Fair | 1947 | 6.7 m | 668 |
| EAST TARKIO RIVER | Iowa | Fair | 1993 | 47.2 m | 668 |
| ROBERTS CREEK | Iowa | Fair | 2002 | 39.0 m | 668 |
| W NISHNABOTNA RIVER | Iowa | Fair | 1960 | 62.2 m | 668 |
| JIM CREEK | Iowa | Poor | 1948 | 46.6 m | 668 |
| CREEK | Iowa | Good | 2009 | 7.6 m | 668 |
| SMALL CREEK | Iowa | Fair | 2007 | 7.3 m | 668 |
| CRANE CREEK | Iowa | Fair | 1954 | 84.4 m | 668 |
| FLOOD CREEK | Iowa | Poor | 1930 | 28.0 m | 668 |
| DRY RUN CREEK | Iowa | Fair | 1954 | 39.0 m | 668 |
| STREAM | Iowa | Fair | 1977 | 13.7 m | 663 |
| SOAP CREEK | Iowa | Fair | 1933 | 14.0 m | 660 |
| LYTLES CREEK | Iowa | Good | 2016 | 49.9 m | 660 |
| TOM CREEK | Iowa | Good | 2023 | 58.5 m | 660 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic, the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.