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 |
|---|---|---|---|---|---|
| CREEK | Iowa | Good | 2023 | 8.8 m | 300 |
| CREEK | Iowa | Fair | 1935 | 7.6 m | 300 |
| MIDDLE RIVER | Iowa | Poor | 1958 | 76.8 m | 300 |
| OVER BNSF RR | Iowa | Fair | 1966 | 53.6 m | 300 |
| W NODAWAY | Iowa | Poor | 1939 | 54.9 m | 300 |
| WEST NODAWAY | Iowa | Good | 2017 | 89.0 m | 300 |
| INDIAN CREEK | Iowa | Good | 2020 | 75.0 m | 300 |
| CLEAR CREEK | Iowa | Good | 2022 | 66.1 m | 300 |
| DD #8 | Iowa | Good | 2017 | 7.9 m | 300 |
| SMALL STREAM | Iowa | Fair | 1988 | 7.6 m | 300 |
| TURKEY CREEK | Iowa | Fair | 1963 | 23.8 m | 300 |
| DD | Iowa | Fair | 1965 | 23.8 m | 300 |
| SNAKE CREEK | Iowa | Good | 2021 | 8.2 m | 300 |
| DD 261 | Iowa | Poor | 1963 | 7.9 m | 300 |
| W FORK W NISH RIVER | Iowa | Good | 1994 | 87.5 m | 300 |
| READING CREEK | Iowa | Fair | 1952 | 25.0 m | 300 |
| EF DES MOINES RIVER | Iowa | Poor | 1957 | 31.1 m | 300 |
| WEST BEAVER CREEK | Iowa | Poor | 1921 | 7.9 m | 300 |
| MIDDLE CREEK | Iowa | Fair | 1971 | 38.7 m | 300 |
| SMALL STREAM | Iowa | Fair | 1979 | 7.6 m | 300 |
| LITTLE SOAP CREEK | Iowa | Good | 2011 | 37.8 m | 300 |
| IA 60 | Iowa | Good | 2003 | 97.5 m | 300 |
| WEST TARKIO CREEK | Iowa | Fair | 1979 | 99.1 m | 300 |
| INDIAN CR | Iowa | Poor | 1890 | 32.0 m | 299 |
| MORGAN CREEK | Iowa | Good | 1992 | 34.1 m | 295 |
| CROW CREEK | Iowa | Good | 1992 | 21.5 m | 295 |
| OTTER CREEK | Iowa | Fair | 1997 | 39.3 m | 295 |
| BEEDS CREEK | Iowa | Poor | 1965 | 9.4 m | 295 |
| CROW CREEK | Iowa | Poor | 1975 | 18.9 m | 295 |
| WATERLOO CREEK | Iowa | Fair | 1983 | 53.6 m | 295 |
| SMALL | Iowa | Fair | 1969 | 6.1 m | 295 |
| MAQUOKETA RIVER | Iowa | Good | 1994 | 58.5 m | 295 |
| SMALL STREAM | Iowa | Good | 2016 | 10.7 m | 295 |
| SAND CREEK | Iowa | Fair | 2002 | 31.4 m | 295 |
| STREAM | Iowa | Good | 2018 | 33.5 m | 295 |
| SMALL STREAM | Iowa | Fair | 1978 | 8.5 m | 295 |
| WAPSIPINICON RIVER | Iowa | Fair | 1984 | 35.4 m | 295 |
| SPRING CREEK | Iowa | Fair | 1975 | 31.4 m | 295 |
| SPRING CREEK | Iowa | Fair | 1975 | 31.4 m | 295 |
| SPRING CREEK | Iowa | Fair | 1975 | 10.4 m | 295 |
| VILLAGE CREEK | Iowa | Good | 2003 | 17.1 m | 295 |
| PLUM CREEK | Iowa | Poor | 1950 | 6.7 m | 294 |
| WET CREEK | Iowa | Poor | 1893 | 20.7 m | 294 |
| DRY CREEK | Iowa | Fair | 1997 | 7.6 m | 294 |
| BR MISS RIVER | Iowa | Poor | 1978 | 13.4 m | 294 |
| DD 150-86 | Iowa | Poor | 1964 | 13.1 m | 293 |
| LATERAL #77 DD #23 | Iowa | Good | 1988 | 33.5 m | 293 |
| RED OAK CREEK | Iowa | Good | 2009 | 18.9 m | 292 |
| SMALL STREAM | Iowa | Good | 2005 | 31.4 m | 291 |
| OLD MANS CREEK | Iowa | Fair | 1980 | 69.8 m | 290 |
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.