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 |
|---|---|---|---|---|---|
| BEEDS CREEK | Iowa | Fair | 1962 | 24.4 m | 519 |
| TROUBLESOME CREEK | Iowa | Good | 2015 | 28.0 m | 519 |
| THREE MILE CREEK | Iowa | Good | 2006 | 6.7 m | 518 |
| W FK DES MOINES RIVER | Iowa | Good | 1990 | 66.1 m | 518 |
| PERRY CREEK | Iowa | Good | 1978 | 50.0 m | 518 |
| WORRELL CREEK | Iowa | Fair | 1985 | 7.6 m | 518 |
| PIGEON CREEK | Iowa | Fair | 1982 | 43.6 m | 518 |
| MID BR BOONE RIVER | Iowa | Fair | 1988 | 24.1 m | 518 |
| E. BR BOONE RIVER | Iowa | Fair | 1980 | 20.7 m | 518 |
| CREEK | Iowa | Good | 2002 | 6.4 m | 518 |
| DD #41 | Iowa | Fair | 1991 | 8.8 m | 518 |
| FLOYD RIVER OVERFLOW | Iowa | Good | 2020 | 25.3 m | 518 |
| FLOYD RIVER | Iowa | Fair | 1962 | 54.0 m | 518 |
| S PICAYUNE CREEK | Iowa | Fair | 1979 | 7.6 m | 518 |
| MIDDLE SOLDIER RIVER | Iowa | Good | 2008 | 40.5 m | 518 |
| DRAINAGE | Iowa | Fair | 1970 | 7.6 m | 513 |
| SHELL ROCK RIVER | Iowa | Good | 2020 | 48.2 m | 513 |
| E FORK WAPSIPINICON | Iowa | Good | 2018 | 9.8 m | 511 |
| COLD WATER CREEK | Iowa | Good | 2006 | 58.5 m | 511 |
| SMALL STREAM | Iowa | Good | 2002 | 27.4 m | 511 |
| BR LITTLE TURKEY RIVER | Iowa | Fair | 1965 | 9.8 m | 511 |
| LITTLE TURKEY RIVER | Iowa | Fair | 1965 | 39.0 m | 511 |
| BR LITTLE TURKEY CREEK | Iowa | Fair | 2004 | 11.6 m | 511 |
| BRANCH WILLIAMS CREEK | Iowa | Fair | 1958 | 8.2 m | 511 |
| WHITE WATER CREEK | Iowa | Fair | 1966 | 23.5 m | 511 |
| N BEAVER CREEK | Iowa | Good | 2002 | 35.4 m | 511 |
| E FORK WAPSIPINICON | Iowa | Good | 2017 | 58.5 m | 511 |
| PLEASANT RUN CK | Iowa | Fair | 1985 | 27.7 m | 511 |
| CREEK | Iowa | Good | 2017 | 21.5 m | 511 |
| BRUSH CREEK | Iowa | Good | 2002 | 38.1 m | 511 |
| HICKORY CREEK | Iowa | Fair | 1953 | 13.4 m | 511 |
| CREEK | Iowa | Poor | 1964 | 10.1 m | 511 |
| MASON CREEK | Iowa | Good | 2009 | 21.3 m | 510 |
| CREEK | Iowa | Fair | 1980 | 10.4 m | 510 |
| DRAINAGE DITCH | Iowa | Fair | 1967 | 9.1 m | 510 |
| OVERFLOW OF WAPSIPINICON | Iowa | Good | 2008 | 26.5 m | 510 |
| CREEK | Iowa | Fair | 1989 | 8.2 m | 510 |
| OLD MANS CREEK | Iowa | Good | 1996 | 69.8 m | 510 |
| STREAM | Iowa | Fair | 1900 | 8.2 m | 510 |
| US 218 | Iowa | Good | 1980 | 78.6 m | 510 |
| PILOT CREEK | Iowa | Fair | 1957 | 43.9 m | 510 |
| CREEK | Iowa | Good | 1977 | 6.4 m | 510 |
| DEEP CREEK | Iowa | Fair | 1953 | 38.1 m | 510 |
| S FORK MAQUOKETA RIVER | Iowa | Fair | 1954 | 125.0 m | 510 |
| WANATEE CREEK | Iowa | Fair | 2003 | 9.4 m | 510 |
| LITTLE TARKIO CREEK | Iowa | Fair | 1993 | 7.6 m | 509 |
| BUFFALO CREEK | Iowa | Good | 2022 | 25.8 m | 509 |
| DRY RUN CREEK | Iowa | Poor | 1964 | 21.3 m | 509 |
| MIDDLE NODAWAY RIVER | Iowa | Fair | 1967 | 55.8 m | 509 |
| CREEK | Iowa | Good | 2005 | 6.4 m | 509 |
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.