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 |
|---|---|---|---|---|---|
| BUCKEYE CK | Iowa | Fair | 1975 | 31.1 m | 120 |
| BLUE GRASS CREEK | Iowa | Fair | 1993 | 35.7 m | 120 |
| PICKEREL RUN | Iowa | Fair | 1990 | 8.2 m | 120 |
| OTTER CREEK | Iowa | Good | 2014 | 37.5 m | 120 |
| BRANCH LITTLE SIOUX RVR | Iowa | Poor | 1967 | 39.0 m | 120 |
| SHOAL CREEK | Iowa | Good | 1987 | 39.0 m | 120 |
| COOPER CREEK | Iowa | Poor | 1948 | 37.8 m | 120 |
| STREAM | Iowa | Fair | 1970 | 7.6 m | 120 |
| STREAM | Iowa | Poor | 1925 | 7.9 m | 120 |
| ROGERS CREEK | Iowa | Good | 2012 | 22.9 m | 120 |
| NORFOLK CREEK | Iowa | Good | 2017 | 39.6 m | 120 |
| WEST NISHNABOTNA RIVER | Iowa | Fair | 1970 | 31.4 m | 120 |
| PINE CREEK | Iowa | Fair | 1962 | 12.8 m | 120 |
| STREAM | Iowa | Good | 1989 | 7.6 m | 120 |
| HOG RUN | Iowa | Fair | 1975 | 8.2 m | 120 |
| FIELD STREAM | Iowa | Fair | 1968 | 12.8 m | 120 |
| CREEK | Iowa | Good | 2005 | 6.4 m | 120 |
| BELL BRANCH | Iowa | Fair | 1957 | 17.1 m | 120 |
| CREEK | Iowa | Poor | 1940 | 10.4 m | 120 |
| STREAM | Iowa | Poor | 1970 | 23.8 m | 120 |
| MILL CREEK | Iowa | Good | 2006 | 75.0 m | 120 |
| BLUE EARTH RIVER | Iowa | Good | 2011 | 6.4 m | 120 |
| ELK RIVER | Iowa | Good | 1992 | 39.0 m | 120 |
| DRAINAGE DITCH | Iowa | Good | 2019 | 7.2 m | 120 |
| ROCK CREEK | Iowa | Good | 2019 | 30.8 m | 120 |
| CREEK | Iowa | Fair | 1961 | 7.3 m | 120 |
| PAINT CREEK | Iowa | Poor | 1900 | 47.5 m | 120 |
| STREAM | Iowa | Good | 2008 | 40.5 m | 120 |
| CREEK | Iowa | Fair | 1979 | 7.9 m | 120 |
| WATERWAY | Iowa | Good | 2018 | 33.5 m | 120 |
| SPRING CREEK | Iowa | Fair | 1980 | 25.3 m | 120 |
| WATERWAY | Iowa | Good | 2013 | 92.1 m | 120 |
| I-80 | Iowa | Fair | 1966 | 69.2 m | 120 |
| W FK W NISHNABOTNA RVR | Iowa | Good | 1969 | 38.7 m | 120 |
| MID. FK LITTLE MAQUOKETA | Iowa | Good | 2006 | 34.1 m | 120 |
| WAPSINONOC CREEK | Iowa | Fair | 1975 | 7.3 m | 120 |
| OTTER CREEK | Iowa | Fair | 1970 | 15.9 m | 120 |
| CREEK | Iowa | Good | 2004 | 39.0 m | 120 |
| W BR WAPSINONOC CREEK | Iowa | Fair | 1981 | 31.1 m | 120 |
| WOLF CREEK | Iowa | Good | 2014 | 39.6 m | 120 |
| BRANCH OF SPRING CREEK | Iowa | Good | 2020 | 21.6 m | 120 |
| DRY CREEK | Iowa | Good | 2004 | 39.6 m | 120 |
| SOUTH CEDAR CREEK | Iowa | Fair | 1980 | 77.1 m | 120 |
| MIDDLE RIVER | Iowa | Poor | 1940 | 25.0 m | 120 |
| WEST NODAWAY RIVER | Iowa | Good | 2018 | 66.1 m | 120 |
| STREAM | Iowa | Fair | 1955 | 37.2 m | 120 |
| MIDDLE RIVER | Iowa | Poor | 1940 | 29.3 m | 120 |
| BALDWIN CREEK | Iowa | Fair | 1975 | 7.3 m | 120 |
| DUCK CREEK | Iowa | Poor | 1960 | 38.7 m | 120 |
| DUCK CREEK | Iowa | Poor | 1900 | 15.5 m | 120 |
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.