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 |
|---|---|---|---|---|---|
| SHORT CREEK | Iowa | Good | 2011 | 30.8 m | 540 |
| STREAM | Iowa | Poor | 1968 | 23.5 m | 540 |
| CAMP CREEK | Iowa | Poor | 1965 | 77.1 m | 540 |
| UNNAMED CREEK | Iowa | Good | 2014 | 6.4 m | 540 |
| PRAIRIE CREEK | Iowa | Good | 2012 | 6.4 m | 540 |
| JESSIE BRANCH | Iowa | Good | 2018 | 26.5 m | 540 |
| SMALL STREAM | Iowa | Good | 1999 | 27.4 m | 540 |
| SMALL STREAM | Iowa | Fair | 1953 | 31.1 m | 540 |
| EAST FORK WAPSIPINICON | Iowa | Good | 2022 | 24.7 m | 540 |
| CYLINDER CREEK | Iowa | Fair | 1925 | 16.8 m | 539 |
| WILLOW CREEK | Iowa | Good | 1994 | 58.2 m | 538 |
| MUD CREEK | Iowa | Fair | 1990 | 12.2 m | 538 |
| BLACK CAT CREEK | Iowa | Fair | 1973 | 31.3 m | 538 |
| DRY CREEK | Iowa | Fair | 1966 | 39.3 m | 538 |
| NO NAME CREEK | Iowa | Poor | 1966 | 13.4 m | 538 |
| HOLIDAY CREEK | Iowa | Fair | 1974 | 7.3 m | 538 |
| MILL CREEK | Iowa | Fair | 1979 | 46.3 m | 538 |
| BR SILVER CREEK | Iowa | Fair | 1963 | 17.7 m | 538 |
| SILVER CREEK | Iowa | Good | 2006 | 24.4 m | 538 |
| BEAR CREEK | Iowa | Poor | 1940 | 10.1 m | 538 |
| I-35 | Iowa | Fair | 1971 | 136.9 m | 538 |
| MIDDLE RACCOON RIVER | Iowa | Fair | 1993 | 39.3 m | 537 |
| LONG BRANCH | Iowa | Fair | 1956 | 17.4 m | 537 |
| BEE BRANCH | Iowa | Poor | 1970 | 7.0 m | 537 |
| BUCK CREEK | Iowa | Fair | 2005 | 39.0 m | 537 |
| WALNUT CREEK | Iowa | Fair | 1969 | 69.8 m | 537 |
| AMES CREEK | Iowa | Good | 2004 | 31.4 m | 536 |
| FROG CREEK | Iowa | Poor | 1915 | 6.7 m | 536 |
| W BR INDIAN CREEK | Iowa | Poor | 1936 | 13.4 m | 535 |
| CREEK | Iowa | Fair | 1998 | 6.1 m | 535 |
| CANALS | Iowa | Good | 1996 | 7.0 m | 535 |
| WHITE WATER CREEK | Iowa | Fair | 1996 | 30.8 m | 530 |
| UNION VALLEY CREEK | Iowa | Good | 2007 | 6.4 m | 530 |
| DRY RUN CREEK | Iowa | Good | 2014 | 31.4 m | 530 |
| CALHOUN CREEK | Iowa | Good | 2007 | 8.2 m | 530 |
| PRARIE CREEK | Iowa | Good | 2007 | 7.3 m | 530 |
| CREEK | Iowa | Fair | 1936 | 7.3 m | 530 |
| CATFISH CREEK | Iowa | Poor | 1980 | 27.7 m | 530 |
| SMALL STREAM | Iowa | Good | 2008 | 31.4 m | 530 |
| DRY RUN CREEK | Iowa | Fair | 1979 | 31.4 m | 530 |
| CREEK | Iowa | Fair | 1961 | 9.4 m | 530 |
| DRY RUN CREEK | Iowa | Fair | 1979 | 23.8 m | 530 |
| WEXFORD CREEK | Iowa | Poor | 1970 | 25.0 m | 530 |
| REEDS CREEK | Iowa | Good | 2022 | 42.3 m | 530 |
| STREAM | Iowa | Good | 2015 | 12.8 m | 530 |
| FLOYD RIVER | Iowa | Good | 1989 | 54.9 m | 530 |
| LITTLE WALNUT CREEK | Iowa | Poor | 1967 | 39.0 m | 530 |
| LITTLE ASHER CREEK | Iowa | Good | 2015 | 6.4 m | 530 |
| LIME CREEK | Iowa | Fair | 1978 | 39.3 m | 530 |
| BRANCH WOLF CREEK | Iowa | Fair | 1970 | 31.1 m | 530 |
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.