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 |
|---|---|---|---|---|---|
| SMALL STREAM | Iowa | Good | 2019 | 8.3 m | 638 |
| CLOIE BRANCH | Iowa | Good | 2011 | 7.3 m | 638 |
| CLOIE BRANCH | Iowa | Good | 2020 | 31.4 m | 638 |
| BRUSHY FORK CREEK | Iowa | Good | 1990 | 27.7 m | 638 |
| STREAM | Iowa | Good | 1998 | 6.4 m | 638 |
| BRUSHY FORK CREEK | Iowa | Fair | 1968 | 21.9 m | 638 |
| STREAM | Iowa | Poor | 1966 | 13.1 m | 638 |
| I-80 | Iowa | Fair | 1959 | 73.2 m | 638 |
| US 218 | Iowa | Good | 1983 | 124.7 m | 630 |
| PRAIRIE CREEK | Iowa | Fair | 1971 | 31.1 m | 630 |
| SMALL STREAM | Iowa | Fair | 1998 | 54.0 m | 630 |
| DRAINAGE DITCH | Iowa | Fair | 1957 | 8.2 m | 630 |
| SOUTH SKUNK RIVER | Iowa | Fair | 1989 | 146.9 m | 630 |
| STREAM | Iowa | Fair | 1957 | 12.2 m | 630 |
| SUGAR CREEK | Iowa | Fair | 1989 | 29.9 m | 630 |
| MILL CREEK | Iowa | Fair | 1992 | 61.0 m | 630 |
| MOSER CREEK | Iowa | Fair | 1961 | 55.8 m | 630 |
| CREEK | Iowa | Fair | 1985 | 6.4 m | 630 |
| LONG CREEK | Iowa | Fair | 1987 | 54.0 m | 630 |
| BIG BEAR CREEK | Iowa | Good | 1998 | 54.6 m | 630 |
| BEERS CREEK | Iowa | Good | 2018 | 39.8 m | 629 |
| HEATHER BRANCH | Iowa | Poor | 1973 | 7.0 m | 628 |
| MINK CREEK | Iowa | Fair | 1961 | 39.0 m | 628 |
| KETTLE CREEK | Iowa | Good | 1969 | 30.5 m | 628 |
| MINK CREEK | Iowa | Fair | 1961 | 38.1 m | 628 |
| MOSQUITO CREEK | Iowa | Good | 2022 | 9.8 m | 628 |
| MINK CREEK | Iowa | Fair | 1961 | 45.7 m | 628 |
| DRAINAGE | Iowa | Poor | 1973 | 10.1 m | 628 |
| MUNNS CREEK | Iowa | Fair | 1994 | 8.8 m | 628 |
| MINNIE BROOK | Iowa | Good | 1979 | 31.4 m | 628 |
| US 63 | Iowa | Good | 2002 | 82.0 m | 628 |
| BIG WHISKEY CREEK | Iowa | Good | 2006 | 34.1 m | 628 |
| WHISKEY CREEK | Iowa | Poor | 1967 | 31.4 m | 628 |
| STEPHENS CREEK | Iowa | Poor | 1960 | 31.1 m | 628 |
| MINK CREEK | Iowa | Fair | 1961 | 45.7 m | 628 |
| SMALL | Iowa | Fair | 1900 | 31.1 m | 628 |
| MUDDY CREEK | Iowa | Poor | 1967 | 7.9 m | 628 |
| DD #57 | Iowa | Good | 2007 | 7.9 m | 628 |
| E FORK DES MOINES RIVER | Iowa | Fair | 1971 | 77.5 m | 628 |
| NORTH SKUNK RIVER | Iowa | Fair | 1965 | 7.9 m | 628 |
| CALMUS CREEK | Iowa | Fair | 1981 | 11.9 m | 628 |
| OVER BNSF RR | Iowa | Good | 1990 | 38.1 m | 627 |
| LONG CREEK | Iowa | Fair | 1957 | 77.1 m | 627 |
| SMALL STREAM | Iowa | Poor | 1967 | 23.8 m | 627 |
| SOLDIER RIVER | Iowa | Good | 1957 | 55.5 m | 627 |
| RUSH CREEK | Iowa | Good | 2021 | 54.6 m | 627 |
| GRAND RIVER | Iowa | Fair | 1956 | 92.1 m | 627 |
| WOLF CREEK | Iowa | Fair | 1999 | 45.1 m | 625 |
| DM RIVER | Iowa | Good | 2010 | 347.2 m | 620 |
| NORWAY CREEK | Iowa | Fair | 1959 | 52.1 m | 620 |
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.