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 |
|---|---|---|---|---|---|
| SMALL STREAM | Iowa | Good | 2019 | 22.3 m | 805 |
| WATERWAY | Iowa | Good | 2015 | 7.6 m | 805 |
| OTTER CREEK | Iowa | Fair | 2001 | 47.9 m | 805 |
| TROUT CREEK | Iowa | Good | 2003 | 47.2 m | 805 |
| SMALL STREAM | Iowa | Good | 2016 | 7.3 m | 805 |
| DRAINAGE DITCH | Iowa | Poor | 1948 | 6.4 m | 803 |
| RAILROAD CREEK | Iowa | Poor | 1900 | 13.1 m | 803 |
| SEWER CREEK | Iowa | Fair | 1989 | 27.7 m | 800 |
| SILVER CREEK WEST | Iowa | Fair | 1968 | 31.1 m | 800 |
| PLATTE RIVER | Iowa | Poor | 1976 | 37.5 m | 800 |
| MUD CREEK | Iowa | Good | 1977 | 47.2 m | 800 |
| SPRING CREEK | Iowa | Fair | 1978 | 8.8 m | 800 |
| PIGEON CREEK | Iowa | Good | 1978 | 61.3 m | 800 |
| BRANCH SIX MILE CREEK | Iowa | Good | 1978 | 6.4 m | 800 |
| BRANCH SIX MILE CREEK | Iowa | Fair | 1978 | 7.0 m | 800 |
| DRAINAGE DITCH | Iowa | Fair | 1957 | 9.8 m | 800 |
| BEAR CREEK | Iowa | Good | 1962 | 68.6 m | 800 |
| PRAIRIE CREEK | Iowa | Good | 2000 | 62.2 m | 800 |
| BRANCH SIX MILE CREEK | Iowa | Fair | 1978 | 7.6 m | 800 |
| FRENCH CREEK | Iowa | Poor | 1962 | 23.8 m | 800 |
| SIX MILE CREEK | Iowa | Fair | 1978 | 9.4 m | 800 |
| TURKEY RIVER | Iowa | Good | 2002 | 134.7 m | 799 |
| LONG DICK CREEK | Iowa | Good | 2000 | 6.4 m | 797 |
| LITTLE SIOUX RIVER | Iowa | Good | 2006 | 124.7 m | 797 |
| WILLOW CREEK | Iowa | Fair | 1968 | 22.9 m | 797 |
| ELLIOTT CREEK | Iowa | Poor | 1958 | 6.4 m | 797 |
| MCCREATH CREEK | Iowa | Fair | 1953 | 8.8 m | 797 |
| WATERMAN CREEK | Iowa | Good | 1953 | 46.6 m | 797 |
| OTTER CREEK | Iowa | Poor | 1931 | 11.6 m | 797 |
| OTTER CREEK | Iowa | Good | 1985 | 7.6 m | 797 |
| OTTER CREEK | Iowa | Fair | 1931 | 10.4 m | 797 |
| MUD CREEK | Iowa | Fair | 1968 | 53.3 m | 796 |
| UNNAMED CREEK | Iowa | Good | 1969 | 10.1 m | 795 |
| SMALL STREAM | Iowa | Fair | 1987 | 10.1 m | 795 |
| PLUM CREEK | Iowa | Good | 2021 | 31.4 m | 795 |
| SPRING CREEK | Iowa | Fair | 1988 | 11.6 m | 795 |
| CREEK | Iowa | Fair | 1973 | 9.1 m | 795 |
| DRAINAGE | Iowa | Good | 2019 | 8.7 m | 794 |
| DRAINAGE DITCH #4 | Iowa | Good | 2000 | 11.6 m | 792 |
| I-80 | Iowa | Fair | 1962 | 66.4 m | 790 |
| COULEE CREEK | Iowa | Fair | 1989 | 43.6 m | 790 |
| NATURAL CREEK | Iowa | Fair | 1990 | 47.2 m | 790 |
| MOSQUITO CREEK | Iowa | Fair | 1991 | 58.5 m | 790 |
| MOSQUITO CREEK | Iowa | Fair | 1991 | 78.0 m | 790 |
| STREAM | Iowa | Fair | 1941 | 6.4 m | 790 |
| SOLDIER CREEK | Iowa | Poor | 1999 | 27.7 m | 790 |
| VOLGA RIVER OVERFLOW | Iowa | Good | 1989 | 38.1 m | 790 |
| VOLGA RIVER | Iowa | Fair | 1989 | 88.4 m | 790 |
| DEER CREEK | Iowa | Fair | 1994 | 8.2 m | 790 |
| VOLGA RIVER | Iowa | Good | 1989 | 34.7 m | 790 |
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.