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 |
|---|---|---|---|---|---|
| SKILLET CREEK | Iowa | Good | 2005 | 22.9 m | 120 |
| MIDDLE RIVER | Iowa | Poor | 1940 | 29.3 m | 120 |
| WEST NODAWAY RIVER | Iowa | Good | 2018 | 66.1 m | 120 |
| DRAINAGE | Iowa | Poor | 1983 | 11.9 m | 118 |
| SMALL STREAM | Iowa | Fair | 1963 | 9.4 m | 118 |
| SMALL STREAM | Iowa | Fair | 1963 | 9.8 m | 118 |
| CREEK | Iowa | Good | 2016 | 22.3 m | 118 |
| PRAIRIE CREEK | Iowa | Fair | 1930 | 21.9 m | 118 |
| TURKEY RIVER | Iowa | Fair | 1936 | 56.4 m | 118 |
| QUARTER SECTION RUN | Iowa | Fair | 1951 | 37.8 m | 118 |
| I-380 | Iowa | Good | 1983 | 96.0 m | 118 |
| STREAM | Iowa | Good | 2003 | 13.1 m | 118 |
| ROBERTS CREEK | Iowa | Good | 1984 | 54.0 m | 118 |
| SHELL ROCK RIVER | Iowa | Fair | 1967 | 105.2 m | 118 |
| VIRDEN CREEK | Iowa | Good | 2016 | 12.3 m | 118 |
| TURTLE CREEK | Iowa | Fair | 1993 | 14.6 m | 118 |
| DRAINAGE | Iowa | Fair | 1984 | 17.1 m | 118 |
| EAST WAPSIPINICON RIVER | Iowa | Good | 1990 | 46.9 m | 118 |
| RUNNING CREEK | Iowa | Fair | 1978 | 8.5 m | 118 |
| I-35 | Iowa | Fair | 1970 | 89.0 m | 118 |
| MAQUOKETA RIVER | Iowa | Fair | 1953 | 61.0 m | 118 |
| LITTLE ASHER CR | Iowa | Poor | 1916 | 12.8 m | 118 |
| CREEK | Iowa | Good | 2000 | 9.8 m | 118 |
| SPRING BRANCH | Iowa | Poor | 1951 | 25.0 m | 118 |
| BEAVER CREEK | Iowa | Fair | 1972 | 27.4 m | 118 |
| SMALL | Iowa | Good | 2003 | 17.1 m | 118 |
| WAPSIPINICON | Iowa | Fair | 1983 | 50.9 m | 118 |
| PINE CREEK | Iowa | Poor | 1938 | 37.5 m | 118 |
| TEN MILE CREEK | Iowa | Poor | 1900 | 13.4 m | 118 |
| OTTER CREEK | Iowa | Fair | 1968 | 38.7 m | 118 |
| SILVER CR | Iowa | Good | 2001 | 15.9 m | 118 |
| STREAM | Iowa | Good | 2021 | 14.3 m | 118 |
| STREAM | Iowa | Good | 2018 | 9.8 m | 118 |
| W BR BUFFALO CREEK | Iowa | Fair | 1957 | 39.9 m | 118 |
| BR LITTLE WAPSIPINICON | Iowa | Poor | 1957 | 23.5 m | 118 |
| PLUM CREEK | Iowa | Good | 2012 | 46.6 m | 118 |
| UPPER IOWA RIVER | Iowa | Good | 2003 | 39.0 m | 118 |
| UPPER IOWA RIVER BRANCH | Iowa | Fair | 1971 | 18.9 m | 118 |
| SMALL STREAM | Iowa | Good | 2021 | 22.3 m | 114 |
| MOSQUITO CREEK | Iowa | Good | 2001 | 58.5 m | 114 |
| STREAM | Iowa | Good | 2002 | 17.1 m | 113 |
| I-80 | Iowa | Good | 1958 | 65.2 m | 113 |
| BLOODY RUN | Iowa | Good | 2004 | 35.4 m | 113 |
| BR TIMBER CREEK | Iowa | Good | 1992 | 7.6 m | 113 |
| BIG CEDAR CREEK | Iowa | Good | 1978 | 74.7 m | 113 |
| PECK CREEK | Iowa | Poor | 1913 | 12.8 m | 113 |
| DEEP CREEK | Iowa | Good | 1986 | 48.8 m | 113 |
| LITTLE FLINT CREEK | Iowa | Fair | 1920 | 7.9 m | 113 |
| CREEK | Iowa | Good | 2011 | 14.6 m | 113 |
| SHOAL CREEK | Iowa | Good | 1995 | 39.0 m | 113 |
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.