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 |
|---|---|---|---|---|---|
| MUD CREEK | Iowa | Poor | 1961 | 33.8 m | 509 |
| SMALL STREAM | Iowa | Fair | 1946 | 6.4 m | 509 |
| OUTLET CREEK | Iowa | Good | 2017 | 10.0 m | 509 |
| SMALL UN-NAMED CREEK | Iowa | Good | 1988 | 6.4 m | 509 |
| DRAINAGE DITCH | Iowa | Fair | 1976 | 6.7 m | 509 |
| OCHEYEDAN RIVER | Iowa | Fair | 2009 | 70.1 m | 509 |
| MUDDY CREEK | Iowa | Fair | 1974 | 22.9 m | 509 |
| BOONE RIVER | Iowa | Good | 2009 | 95.4 m | 509 |
| WEST FORK LITTLE SIOUX | Iowa | Poor | 1960 | 54.6 m | 509 |
| SMALL UN-NAMED CREEK | Iowa | Fair | 1969 | 6.7 m | 509 |
| SMALL | Iowa | Poor | 1983 | 7.6 m | 509 |
| PILOT CREEK | Iowa | Poor | 1975 | 31.4 m | 509 |
| TARKIO CREEK | Iowa | Fair | 1978 | 39.0 m | 509 |
| TURNER CREEK | Iowa | Poor | 1964 | 24.4 m | 509 |
| E FORK DES MOINES RIVER | Iowa | Fair | 1957 | 86.0 m | 509 |
| TOM CREEK | Iowa | Poor | 1964 | 24.1 m | 509 |
| BUFFALO CREEK | Iowa | Good | 2022 | 25.8 m | 509 |
| LITTLE TARKIO CREEK | Iowa | Fair | 1993 | 7.6 m | 509 |
| DRY RUN CREEK | Iowa | Poor | 1964 | 21.3 m | 509 |
| MIDDLE NODAWAY RIVER | Iowa | Fair | 1967 | 55.8 m | 509 |
| DRAINAGE DITCH 107 | Iowa | Good | 2004 | 36.3 m | 508 |
| BRANCH WAPSIPINICON RVR | Iowa | Good | 1991 | 7.6 m | 501 |
| MOSQUITO CREEK | Iowa | Poor | 1977 | 39.0 m | 501 |
| WAPSIPINICON RIVER | Iowa | Poor | 1957 | 51.8 m | 501 |
| BEAVER CREEK | Iowa | Poor | 1973 | 54.9 m | 501 |
| BRANCH BEAVER CREEK | Iowa | Fair | 1970 | 7.6 m | 501 |
| SMALL STREAM | Iowa | Good | 2007 | 7.3 m | 501 |
| BEAR CREEK | Iowa | Good | 1987 | 39.9 m | 501 |
| HURLEY CREEK | Iowa | Good | 1985 | 8.5 m | 501 |
| HURLEY CREEK | Iowa | Fair | 1985 | 18.6 m | 501 |
| HURLEY CREEK | Iowa | Good | 1985 | 7.9 m | 501 |
| MINERVA CREEK | Iowa | Good | 2001 | 39.0 m | 501 |
| SMALL STREAM | Iowa | Good | 1992 | 8.2 m | 501 |
| DRY RUN CREEK | Iowa | Good | 2015 | 11.9 m | 501 |
| RED OAK CREEK | Iowa | Fair | 1965 | 19.2 m | 501 |
| VOLGA RIVER | Iowa | Good | 2021 | 34.5 m | 501 |
| BEAVER CREEK | Iowa | Good | 2014 | 54.9 m | 501 |
| BURR OAK CREEK | Iowa | Fair | 1960 | 16.8 m | 501 |
| SMALL STREAM | Iowa | Good | 2009 | 9.1 m | 501 |
| GOAT CREEK | Iowa | Fair | 1900 | 10.1 m | 501 |
| RED OAK CREEK | Iowa | Fair | 1986 | 11.6 m | 501 |
| DIVISION CREEK | Iowa | Good | 1988 | 8.8 m | 501 |
| BEAVER CREEK | Iowa | Good | 1992 | 7.6 m | 501 |
| NORTH BEAVER CREEK | Iowa | Fair | 1985 | 38.7 m | 501 |
| CREEK | Iowa | Good | 2020 | 37.5 m | 500 |
| CREEK | Iowa | Fair | 1971 | 8.2 m | 500 |
| COE CREEK | Iowa | Fair | 1972 | 26.8 m | 500 |
| MUD CREEK | Iowa | Good | 2005 | 9.8 m | 500 |
| SMALL STREAM | Iowa | Poor | 1964 | 6.4 m | 500 |
| WINN BRANCH WB CREEK | Iowa | Fair | 2003 | 11.9 m | 500 |
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.