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 |
|---|---|---|---|---|---|
| PURGATORY CREEK | Iowa | Fair | 1965 | 40.2 m | 150 |
| BASS CREEK | Iowa | Fair | 1979 | 13.4 m | 150 |
| OVER IAIS RR | Iowa | Poor | 1940 | 41.1 m | 150 |
| RACCOON RIVER | Iowa | Fair | 1974 | 75.0 m | 150 |
| ROCK CREEK | Iowa | Good | 1991 | 39.0 m | 150 |
| CREEK | Iowa | Fair | 1921 | 8.2 m | 150 |
| CREEK | Iowa | Good | 2000 | 15.5 m | 150 |
| RATHBUN CREEK | Iowa | Good | 1986 | 26.8 m | 150 |
| CEDAR CREEK | Iowa | Fair | 1965 | 43.3 m | 150 |
| BRUSH CREEK | Iowa | Fair | 1955 | 25.0 m | 150 |
| CREEK | Iowa | Fair | 1965 | 31.1 m | 150 |
| LOST CREEK | Iowa | Good | 1995 | 43.3 m | 150 |
| SPRING CREEK | Iowa | Good | 2006 | 7.3 m | 150 |
| CREEK | Iowa | Good | 2004 | 53.3 m | 150 |
| DRY BRANCH | Iowa | Good | 1998 | 7.6 m | 150 |
| CREEK | Iowa | Fair | 1958 | 6.7 m | 150 |
| I-80 | Iowa | Good | 1958 | 64.6 m | 150 |
| KEG CREEK | Iowa | Good | 1973 | 54.3 m | 150 |
| NORTH CEDAR CREEK | Iowa | Fair | 1975 | 32.6 m | 150 |
| SMALL STREAM | Iowa | Good | 1987 | 6.4 m | 150 |
| BR CEDAR RIVER | Iowa | Poor | 1975 | 7.6 m | 150 |
| COAL CREEK | Iowa | Good | 2004 | 30.5 m | 150 |
| LAMALEES CREEK | Iowa | Good | 1996 | 7.9 m | 150 |
| CEDAR CREEK | Iowa | Poor | 1971 | 23.5 m | 150 |
| FISHER CREEK | Iowa | Good | 2017 | 13.4 m | 150 |
| JOHNS CREEK | Iowa | Good | 1985 | 34.1 m | 150 |
| DRAINAGE | Iowa | Fair | 1967 | 39.3 m | 150 |
| INDIAN CREEK | Iowa | Poor | 1951 | 97.5 m | 150 |
| BOYER RIVER | Iowa | Good | 1997 | 87.5 m | 150 |
| CEDAR CREEK | Iowa | Good | 2023 | 30.8 m | 150 |
| CEDAR CREEK | Iowa | Good | 1992 | 27.7 m | 150 |
| FIELD STREAM | Iowa | Good | 2008 | 8.1 m | 150 |
| WILLOW CREEK | Iowa | Fair | 1964 | 16.8 m | 150 |
| LAMALEES CREEK | Iowa | Poor | 1957 | 7.6 m | 150 |
| RED OAK CREEK | Iowa | Good | 2001 | 31.4 m | 150 |
| EAST NODAWAY RIVER | Iowa | Good | 2002 | 75.0 m | 150 |
| COTTONWOOD CREEK | Iowa | Fair | 1974 | 6.1 m | 150 |
| SMITH CREEK | Iowa | Good | 2021 | 31.4 m | 150 |
| BRANCH NORTH RIVER | Iowa | Fair | 1984 | 9.4 m | 150 |
| PIGEON CREEK | Iowa | Fair | 1976 | 46.6 m | 150 |
| CREEK | Iowa | Poor | 1955 | 7.3 m | 148 |
| POYNER CREEK | Iowa | Fair | 1992 | 15.9 m | 148 |
| UNAMED CREEK | Iowa | Poor | 1973 | 19.2 m | 148 |
| TURKEY RIVER | Iowa | Good | 1977 | 73.2 m | 148 |
| CREEK | Iowa | Good | 2016 | 7.6 m | 148 |
| OVER UP RR | Iowa | Poor | 1962 | 47.9 m | 148 |
| WEST OTTER CREEK | Iowa | Fair | 2006 | 28.0 m | 148 |
| BLUE CREEK | Iowa | Fair | 1951 | 48.8 m | 148 |
| STREAM | Iowa | Fair | 1994 | 7.6 m | 148 |
| MORGAN CREEK | Iowa | Fair | 1993 | 14.6 m | 147 |
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.