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 |
|---|---|---|---|---|---|
| CAMP CREEK | Iowa | Poor | 1976 | 39.0 m | 170 |
| UNION SLOUGH DITCH | Iowa | Poor | 1951 | 37.5 m | 170 |
| NO NAME CREEK | Iowa | Poor | 1969 | 9.8 m | 170 |
| KEIGLEY BRANCH | Iowa | Fair | 1978 | 11.9 m | 170 |
| SOUTH RACCOON RIVER | Iowa | Fair | 1979 | 124.1 m | 170 |
| CREEK | Iowa | Fair | 2005 | 9.1 m | 170 |
| SOUTH RACCOON RIVER | Iowa | Good | 1981 | 117.3 m | 170 |
| DRAINAGE DITCH | Iowa | Good | 2012 | 37.5 m | 170 |
| SOLDIER RIVER | Iowa | Good | 1957 | 77.4 m | 170 |
| US 61 | Iowa | Fair | 1984 | 82.3 m | 170 |
| WILLOW CREEK | Iowa | Good | 1975 | 23.8 m | 170 |
| WEST IOWA RIVER | Iowa | Poor | 1961 | 23.5 m | 170 |
| MIDDLE WALNUT CREEK | Iowa | Good | 2011 | 6.7 m | 170 |
| LITTLE CREEK | Iowa | Good | 1990 | 42.4 m | 170 |
| PERRY CREEK | Iowa | Good | 1983 | 42.4 m | 170 |
| JONES CREEK | Iowa | Fair | 1990 | 31.4 m | 170 |
| I-80 | Iowa | Fair | 1966 | 73.2 m | 170 |
| BRANCH PITCHER CREEK | Iowa | Good | 1993 | 6.4 m | 170 |
| STREAM | Iowa | Good | 2014 | 6.4 m | 170 |
| MIDDLE NODAWAY RIVER | Iowa | Good | 2015 | 75.0 m | 170 |
| DRAINAGE DITCH | Iowa | Fair | 1958 | 7.9 m | 170 |
| IOWAY CREEK | Iowa | Good | 2002 | 53.6 m | 170 |
| BLACK OAK CREEK | Iowa | Good | 2003 | 6.4 m | 170 |
| WELDON RIVER | Iowa | Fair | 1951 | 98.8 m | 170 |
| SKUNK RIVER | Iowa | Fair | 1981 | 174.3 m | 170 |
| LIZARD CK DD #53 | Iowa | Fair | 1980 | 31.4 m | 170 |
| STREAM | Iowa | Good | 2004 | 7.6 m | 170 |
| LAKE CREEK | Iowa | Fair | 2007 | 12.2 m | 170 |
| LICK BRANCH | Iowa | Fair | 1989 | 7.6 m | 170 |
| STREAM | Iowa | Fair | 1990 | 6.4 m | 170 |
| NISHNABOTNA | Iowa | Fair | 1959 | 63.1 m | 170 |
| DRAINAGE DITCH | Iowa | Fair | 1940 | 9.8 m | 170 |
| STREAM | Iowa | Fair | 1970 | 6.7 m | 170 |
| CREEK | Iowa | Good | 2005 | 23.8 m | 170 |
| STREAM | Iowa | Poor | 1953 | 9.8 m | 170 |
| DEER CREEK | Iowa | Good | 2019 | 27.4 m | 170 |
| STREAM | Iowa | Good | 2024 | 15.9 m | 170 |
| W FK W NISHNABOTNA RIVER | Iowa | Good | 2002 | 39.0 m | 170 |
| TURKEY CREEK | Iowa | Fair | 1987 | 43.3 m | 170 |
| US 30 | Iowa | Good | 1971 | 86.6 m | 170 |
| ELK CREEK | Iowa | Good | 2020 | 31.4 m | 170 |
| NORTH RIVER | Iowa | Good | 1998 | 75.0 m | 170 |
| LOTTS CREEK | Iowa | Fair | 1950 | 46.3 m | 170 |
| BROWN CREEK | Iowa | Fair | 1967 | 13.4 m | 170 |
| SMALL | Iowa | Fair | 1945 | 7.6 m | 170 |
| SO SILVER CREEK | Iowa | Good | 1999 | 6.4 m | 170 |
| PANTHER CREEK | Iowa | Fair | 1967 | 7.9 m | 170 |
| NO BUSINESS CREEK | Iowa | Poor | 1900 | 16.8 m | 170 |
| HOCKETT CREEK | Iowa | Good | 1980 | 27.7 m | 170 |
| PIKE RUN CREEK | Iowa | Fair | 1990 | 27.7 m | 170 |
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.