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 |
|---|---|---|---|---|---|
| DRY CREEK | Iowa | Fair | 1973 | 52.4 m | 2,960 |
| WEST FK DES MOINES RIVER | Iowa | Good | 1981 | 82.9 m | 2,960 |
| OTTER CREEK | Iowa | Good | 1983 | 37.5 m | 2,960 |
| FOUR MILE CREEK | Iowa | Fair | 1995 | 11.9 m | 2,960 |
| CEDAR CREEK | Iowa | Good | 2012 | 93.3 m | 2,950 |
| WILLOW CREEK | Iowa | Fair | 1970 | 61.3 m | 2,950 |
| 100TH STREET | Iowa | Good | 2007 | 54.3 m | 2,950 |
| QUARTER SECTION RUN CRK. | Iowa | Good | 1994 | 87.2 m | 2,950 |
| CEDAR CREEK | Iowa | Good | 2012 | 93.3 m | 2,950 |
| CRANE CREEK | Iowa | Good | 2010 | 13.7 m | 2,950 |
| IA 2 | Iowa | Good | 2002 | 60.4 m | 2,950 |
| IOWA RIVER | Iowa | Fair | 1968 | 146.6 m | 2,950 |
| IOWA RIVER | Iowa | Fair | 1987 | 145.7 m | 2,950 |
| MOSQUITO CREEK | Iowa | Poor | 1965 | 46.3 m | 2,949 |
| WEST 32ND STREET | Iowa | Good | 2002 | 37.5 m | 2,947 |
| DEER CREEK | Iowa | Good | 2023 | 66.1 m | 2,942 |
| DRY RUN CRK & CEDAR RVR | Iowa | Good | 1992 | 168.9 m | 2,940 |
| BAILEYS CREEK | Iowa | Good | 2023 | 63.1 m | 2,930 |
| BIG CREEK | Iowa | Poor | 1957 | 127.4 m | 2,930 |
| SMALL | Iowa | Good | 1940 | 6.7 m | 2,930 |
| GRUBS CREEK | Iowa | Fair | 1976 | 31.4 m | 2,930 |
| STREAM | Iowa | Good | 1998 | 27.6 m | 2,930 |
| STREAM | Iowa | Good | 1955 | 7.6 m | 2,920 |
| SILVER CREEK | Iowa | Fair | 1955 | 55.8 m | 2,920 |
| PLUM CREEK | Iowa | Good | 1983 | 31.4 m | 2,920 |
| STREAM | Iowa | Fair | 1962 | 6.4 m | 2,920 |
| ROLLING PRAIRIE TRAIL | Iowa | Fair | 1970 | 71.0 m | 2,920 |
| WHITE BREAST CREEK | Iowa | Fair | 1979 | 47.5 m | 2,920 |
| SMALL STREAM | Iowa | Good | 2016 | 11.6 m | 2,918 |
| SMALL STREAM | Iowa | Good | 2014 | 20.1 m | 2,917 |
| CEDAR RIVER | Iowa | Fair | 1979 | 111.3 m | 2,910 |
| SPENCER CREEK | Iowa | Good | 2012 | 36.6 m | 2,910 |
| CROW CREEK | Iowa | Good | 2017 | 80.8 m | 2,905 |
| MUD CREEK | Iowa | Poor | 1927 | 6.7 m | 2,902 |
| I-80 | Iowa | Fair | 1965 | 72.8 m | 2,900 |
| HICKORY AVE | Iowa | Good | 2002 | 64.9 m | 2,900 |
| MOSQUITO CREEK | Iowa | Fair | 1966 | 87.2 m | 2,900 |
| CRANE CREEK | Iowa | Fair | 1957 | 22.3 m | 2,900 |
| IOWA AVE | Iowa | Good | 2002 | 51.5 m | 2,900 |
| JEFFERSON PARK DD | Iowa | Fair | 2020 | 46.0 m | 2,900 |
| COONLEY CREEK | Iowa | Fair | 1972 | 11.0 m | 2,900 |
| CN RR | Iowa | Fair | 1972 | 78.3 m | 2,900 |
| QUARTER SECTION RUN | Iowa | Fair | 1994 | 87.3 m | 2,900 |
| HICKORY AVE | Iowa | Good | 2002 | 64.9 m | 2,900 |
| BIG CREEK | Iowa | Good | 2002 | 67.4 m | 2,900 |
| JEFFERSON PARK DD | Iowa | Good | 2020 | 46.0 m | 2,900 |
| STREAM | Iowa | Fair | 1958 | 7.6 m | 2,900 |
| SOUTH SKUNK RIVER | Iowa | Fair | 1985 | 138.1 m | 2,900 |
| MILLER CREEK | Iowa | Fair | 1962 | 40.5 m | 2,900 |
| MOSQUITO CREEK | Iowa | Fair | 1966 | 80.2 m | 2,900 |
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.