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 |
|---|---|---|---|---|---|
| NO NAME CREEK | Iowa | Good | 1971 | 31.5 m | 718 |
| BLUFF CREEK | Iowa | Poor | 1957 | 9.4 m | 718 |
| LITTLE ROCK RIVER | Iowa | Good | 2015 | 84.4 m | 718 |
| OVERFLOW | Iowa | Poor | 1969 | 11.0 m | 718 |
| POLLY CREEK | Iowa | Fair | 1955 | 12.2 m | 718 |
| CREEK | Iowa | Good | 1998 | 7.6 m | 717 |
| SHORT CREEK | Iowa | Poor | 1968 | 31.1 m | 717 |
| BR IOWA RIVER | Iowa | Poor | 1995 | 6.1 m | 717 |
| TURKEY RIVER | Iowa | Good | 2017 | 12.5 m | 717 |
| WEST NISHNABOTNA RIVER | Iowa | Fair | 1969 | 55.5 m | 717 |
| LITTLE TURKEY | Iowa | Good | 2008 | 57.3 m | 717 |
| E NISHNABOTNA RIVER | Iowa | Good | 2022 | 54.7 m | 717 |
| US 20 | Iowa | Good | 2003 | 68.3 m | 717 |
| BOHEMIAN CREEK | Iowa | Poor | 1951 | 28.0 m | 717 |
| HURLEY CREEK | Iowa | Good | 2021 | 18.6 m | 717 |
| CREEK | Iowa | Good | 2005 | 23.8 m | 717 |
| WESTERN HILLS CREEK | Iowa | Fair | 1994 | 11.9 m | 716 |
| MINERAL CREEK | Iowa | Fair | 1955 | 38.7 m | 710 |
| SUGAR CREEK | Iowa | Good | 2022 | 36.9 m | 710 |
| SMALL STREAM | Iowa | Fair | 1993 | 7.6 m | 710 |
| MINERAL CREEK | Iowa | Good | 1955 | 17.7 m | 710 |
| ELK CREEK | Iowa | Fair | 2000 | 18.0 m | 710 |
| CRANE CREEK | Iowa | Fair | 1926 | 12.2 m | 710 |
| COMPETINE CREEK | Iowa | Poor | 1967 | 6.4 m | 710 |
| MUCHAKINOCK CREEK | Iowa | Fair | 1987 | 53.0 m | 710 |
| DRAINAGE | Iowa | Fair | 1987 | 6.4 m | 710 |
| DES MOINES RIVER | Iowa | Fair | 1987 | 275.2 m | 710 |
| CREEK | Iowa | Good | 1961 | 7.6 m | 710 |
| BAILEYE CREEK | Iowa | Good | 2023 | 45.7 m | 709 |
| ELLIOTT CREEK | Iowa | Fair | 1969 | 8.8 m | 709 |
| MUD CREEK | Iowa | Poor | 1969 | 39.0 m | 709 |
| DD #13 | Iowa | Fair | 1974 | 19.2 m | 709 |
| WEST DES MOINES RIVER | Iowa | Good | 2006 | 64.9 m | 709 |
| DD 98 | Iowa | Good | 2005 | 23.8 m | 709 |
| LITTLE ROCK RIVER | Iowa | Poor | 1954 | 61.0 m | 709 |
| DES MOINES RIVER | Iowa | Poor | 1955 | 175.0 m | 709 |
| LITTLE WAPSIPINICON RVR | Iowa | Poor | 1968 | 55.5 m | 707 |
| SMALL NATURAL STREAM | Iowa | Good | 2018 | 25.3 m | 707 |
| SILVER CREEK | Iowa | Fair | 1990 | 10.7 m | 707 |
| CREEK | Iowa | Poor | 1966 | 6.7 m | 707 |
| SMALL STREAM | Iowa | Good | 1984 | 9.1 m | 707 |
| VILLAGE CREEK | Iowa | Fair | 1981 | 91.4 m | 707 |
| BLUE CREEK | Iowa | Good | 1996 | 7.9 m | 707 |
| TRIB TO CEDAR RIVER | Iowa | Good | 2009 | 6.5 m | 707 |
| STAFF CREEK | Iowa | Good | 2022 | 22.3 m | 707 |
| STREAM | Iowa | Fair | 1987 | 15.5 m | 707 |
| I-29 | Iowa | Fair | 1967 | 66.4 m | 700 |
| DRAINAGE DITCH | Iowa | Good | 1976 | 7.6 m | 700 |
| DRAINAGE DITCH | Iowa | Fair | 1932 | 13.0 m | 700 |
| OLD MANS CREEK | Iowa | Fair | 1969 | 55.5 m | 700 |
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.