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 |
|---|---|---|---|---|---|
| MINK CREEK | Iowa | Good | 1985 | 46.0 m | 359 |
| E FORK DES MOINES RIVER | Iowa | Poor | 1973 | 38.9 m | 359 |
| BEAVER CREEK | Iowa | Good | 2016 | 8.2 m | 359 |
| DRAINAGE | Iowa | Good | 1935 | 8.0 m | 359 |
| SMALL STREAM | Iowa | Good | 2000 | 13.4 m | 359 |
| DRAINAGE | Iowa | Fair | 1977 | 10.1 m | 359 |
| DRAINAGE | Iowa | Poor | 1977 | 10.1 m | 359 |
| BR OCHEYEDAN R | Iowa | Fair | 1967 | 31.4 m | 359 |
| PLUM CREEK | Iowa | Good | 2023 | 30.8 m | 359 |
| FIELD STREAM | Iowa | Good | 2007 | 23.8 m | 358 |
| ROCK CREEK | Iowa | Fair | 1962 | 12.2 m | 358 |
| WILLOW CREEK | Iowa | Fair | 1964 | 23.5 m | 358 |
| SMALL STREAM | Iowa | Fair | 1950 | 7.6 m | 358 |
| HIGH CREEK | Iowa | Good | 1990 | 29.9 m | 358 |
| OVER I.C.E. RR | Iowa | Poor | 1900 | 34.7 m | 358 |
| MIDDLE WILLOW CREEK | Iowa | Good | 1967 | 6.4 m | 358 |
| WATERWAY | Iowa | Good | 1998 | 8.5 m | 358 |
| WILLOW CREEK | Iowa | Good | 2015 | 8.1 m | 358 |
| SNAKE CREEK | Iowa | Fair | 1998 | 11.3 m | 358 |
| MIDDLE RACCOON RIVER | Iowa | Poor | 1965 | 60.0 m | 358 |
| MUD CREEK | Iowa | Good | 1990 | 46.0 m | 358 |
| SNAKE CREEK | Iowa | Fair | 1978 | 39.6 m | 358 |
| VOLGA RIVER | Iowa | Poor | 1955 | 40.2 m | 356 |
| WALNUT CREEK | Iowa | Good | 2012 | 84.1 m | 356 |
| WOLFE CREEK TRIBUTARY | Iowa | Fair | 1993 | 10.1 m | 355 |
| ROCK CREEK | Iowa | Good | 2022 | 21.3 m | 354 |
| LAKE CREEK | Iowa | Poor | 1985 | 31.4 m | 354 |
| RACCOON RIVER | Iowa | Fair | 1982 | 70.1 m | 354 |
| BLACK HAWK CREEK | Iowa | Fair | 1900 | 9.4 m | 354 |
| MOON CREEK | Iowa | Poor | 1958 | 23.8 m | 354 |
| HONEY CREEK | Iowa | Good | 2004 | 54.6 m | 354 |
| INDIAN CREEK | Iowa | Fair | 2006 | 69.5 m | 353 |
| BIRDLAND LAGOON | Iowa | Fair | 1930 | 12.2 m | 351 |
| MIDDLE MAQUOKETA RIVER | Iowa | Fair | 1974 | 47.2 m | 350 |
| BEAR CREEK | Iowa | Good | 2004 | 47.5 m | 350 |
| SOLDIER RIVER | Iowa | Poor | 1971 | 35.4 m | 350 |
| CREEK | Iowa | Poor | 1971 | 6.7 m | 350 |
| LITTLE SIOUX RIVER | Iowa | Fair | 1981 | 126.5 m | 350 |
| LOTTS CREEK | Iowa | Good | 1996 | 39.0 m | 350 |
| E FORK DES MOINES RIVER | Iowa | Good | 2022 | 75.0 m | 350 |
| WAPSIPINICON RIVER | Iowa | Fair | 1963 | 196.9 m | 350 |
| DRAINAGE DITCH | Iowa | Good | 2000 | 10.1 m | 350 |
| BLOOD RUN CREEK | Iowa | Fair | 1971 | 39.0 m | 350 |
| SMALL | Iowa | Fair | 1978 | 12.5 m | 350 |
| POOL-MUD LAKE | Iowa | Good | 2018 | 9.1 m | 350 |
| STREAM | Iowa | Good | 2003 | 7.3 m | 350 |
| DD JT 22 | Iowa | Fair | 1975 | 7.3 m | 350 |
| SMALL CREEK | Iowa | Fair | 1978 | 11.6 m | 350 |
| N OIERSON CREEK | Iowa | Fair | 1974 | 15.2 m | 350 |
| BURR CREEK | Iowa | Good | 2019 | 30.8 m | 350 |
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.