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 |
|---|---|---|---|---|---|
| LITTLE BEAVER CREEK | Iowa | Good | 1961 | 12.2 m | 2,260 |
| BEAVER CREEK | Iowa | Fair | 1990 | 52.1 m | 2,260 |
| PRAIRIE CREEK | Iowa | Good | 2019 | 37.5 m | 2,260 |
| SMALL STREAM | Iowa | Fair | 1951 | 10.7 m | 2,260 |
| PITMAN CREEK | Iowa | Good | 1995 | 7.6 m | 2,260 |
| STREAM | Iowa | Good | 1979 | 6.4 m | 2,260 |
| TRIB TO ELK RUN CREEK | Iowa | Fair | 1973 | 15.1 m | 2,259 |
| VIRDEN CREEK | Iowa | Fair | 1969 | 6.3 m | 2,259 |
| SOUTH FORK CATFISH CREEK | Iowa | Good | 2012 | 55.2 m | 2,259 |
| US 52 | Iowa | Good | 2011 | 84.1 m | 2,259 |
| WILLOW CREEK | Iowa | Fair | 1975 | 7.3 m | 2,257 |
| FROG CREEK | Iowa | Fair | 1976 | 33.8 m | 2,255 |
| GODDARD CREEK | Iowa | Fair | 1932 | 38.1 m | 2,250 |
| LAMONT CREEK | Iowa | Fair | 1977 | 37.8 m | 2,250 |
| SO FK MAQUOKETA RIVER | Iowa | Good | 1989 | 52.4 m | 2,250 |
| HAUGH CREEK | Iowa | Good | 2016 | 25.0 m | 2,250 |
| OVER BNSF RR | Iowa | Fair | 1964 | 58.8 m | 2,250 |
| CEDAR CREEK | Iowa | Fair | 1964 | 63.4 m | 2,250 |
| UP RR & WEST CREEK | Iowa | Fair | 1986 | 93.0 m | 2,250 |
| CLOSES CREEK | Iowa | Fair | 1984 | 12.8 m | 2,245 |
| CEDAR RIVER OVERFLOW | Iowa | Good | 2005 | 40.5 m | 2,241 |
| KEMP CREEK | Iowa | Fair | 1964 | 62.5 m | 2,240 |
| DRY RUN CREEK | Iowa | Fair | 1975 | 10.1 m | 2,240 |
| MIDDLE NODAWAY RIVER | Iowa | Fair | 1964 | 93.3 m | 2,240 |
| DES MOINES RIVER | Iowa | Good | 1995 | 124.1 m | 2,234 |
| NISHNABOTNA RIVER | Iowa | Good | 1997 | 108.2 m | 2,231 |
| I-380 | Iowa | Fair | 1981 | 92.1 m | 2,231 |
| TRIB OF BIG CREEK | Iowa | Fair | 1966 | 7.9 m | 2,230 |
| STREAM | Iowa | Fair | 1972 | 6.4 m | 2,230 |
| WEST FORK CEDAR RIVER | Iowa | Fair | 1957 | 65.2 m | 2,230 |
| BEAVER DAM CREEK | Iowa | Fair | 1932 | 7.3 m | 2,230 |
| E BRANCH BEAVER DAM CRK | Iowa | Good | 2021 | 46.7 m | 2,230 |
| BIG CREEK | Iowa | Fair | 1937 | 32.0 m | 2,230 |
| US 30 | Iowa | Fair | 1971 | 75.6 m | 2,229 |
| IA 92 | Iowa | Good | 2017 | 60.0 m | 2,225 |
| IA 92 | Iowa | Good | 2017 | 60.0 m | 2,225 |
| INDIAN CREEK | Iowa | Fair | 1937 | 10.4 m | 2,224 |
| INDIAN CREEK | Iowa | Fair | 1992 | 17.7 m | 2,223 |
| SOUTH FORK LOST CREEK | Iowa | Good | 2024 | 32.6 m | 2,221 |
| OLD MANS CREEK | Iowa | Good | 2021 | 60.0 m | 2,220 |
| DEER CREEK | Iowa | Good | 1977 | 29.9 m | 2,220 |
| STREAM | Iowa | Fair | 1988 | 8.8 m | 2,210 |
| SIX MILE CREEK | Iowa | Good | 1987 | 53.6 m | 2,210 |
| NORTH RACCOON RIVER | Iowa | Fair | 1983 | 106.7 m | 2,210 |
| FROG CREEK | Iowa | Fair | 1976 | 33.8 m | 2,210 |
| MISSISSIPPI RIVER | Iowa | Poor | 1931 | 496.8 m | 2,200 |
| UP RR | Iowa | Good | 2019 | 87.4 m | 2,200 |
| STREAM | Iowa | Good | 2013 | 7.0 m | 2,200 |
| DRAINAGE DITCH | Iowa | Good | 1979 | 7.6 m | 2,200 |
| DRAINAGE DITCH | Iowa | Fair | 1928 | 15.9 m | 2,200 |
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.