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 |
|---|---|---|---|---|---|
| PAINT CREEK | Iowa | Fair | 1964 | 39.0 m | 442 |
| STREAM | Iowa | Fair | 1963 | 9.8 m | 442 |
| CREEK | Iowa | Fair | 1982 | 22.9 m | 442 |
| WINNEBAGO RIVER | Iowa | Poor | 1964 | 66.8 m | 442 |
| ALRY RUN CREEK | Iowa | Good | 2006 | 31.4 m | 442 |
| DRAINAGE | Iowa | Good | 2022 | 28.3 m | 442 |
| HEATONS CREEK | Iowa | Fair | 2002 | 39.0 m | 442 |
| BRUSH CREEK | Iowa | Good | 2002 | 31.4 m | 442 |
| BRUSH CREEK | Iowa | Poor | 1957 | 44.2 m | 442 |
| FARMERS CREEK | Iowa | Good | 2017 | 11.6 m | 440 |
| WHITE BREAST CREEK | Iowa | Poor | 1957 | 62.2 m | 440 |
| SMALL STREAM | Iowa | Fair | 1959 | 6.4 m | 440 |
| ENGLISH | Iowa | Fair | 1980 | 58.5 m | 440 |
| SEWER CREEK | Iowa | Fair | 1987 | 6.4 m | 440 |
| TURKEY RIVER | Iowa | Fair | 1957 | 125.0 m | 440 |
| SMALL STREAM | Iowa | Good | 2016 | 7.9 m | 440 |
| N SKUNK RIVER | Iowa | Good | 1989 | 61.3 m | 440 |
| N. FORK LONG CREEK | Iowa | Poor | 1961 | 25.0 m | 440 |
| FORK OF RATHBUN LAKE | Iowa | Fair | 1968 | 123.1 m | 440 |
| FORK OF RATHBUN LAKE | Iowa | Fair | 1968 | 123.1 m | 440 |
| SMALL STREAM | Iowa | Fair | 1959 | 31.4 m | 440 |
| MUD CREEK | Iowa | Fair | 1976 | 23.8 m | 440 |
| LITTLE SUGAR CREEK | Iowa | Fair | 1974 | 9.4 m | 440 |
| BUFFALO CREEK | Iowa | Good | 2010 | 9.8 m | 439 |
| BLOOD RUN CREEK | Iowa | Good | 2000 | 34.4 m | 439 |
| DRY BRANCH | Iowa | Good | 1992 | 31.4 m | 439 |
| MORGAN CREEK | Iowa | Poor | 2000 | 36.6 m | 439 |
| PILOT CREEK | Iowa | Poor | 1970 | 23.8 m | 439 |
| BNSF RR | Iowa | Good | 2017 | 80.5 m | 439 |
| EAST NODAWAY RIVER | Iowa | Fair | 1976 | 54.6 m | 439 |
| SIX MILE CREEK | Iowa | Good | 1993 | 43.3 m | 439 |
| SOLDIER RIVER | Iowa | Good | 2015 | 37.5 m | 439 |
| KAPPES CREEK | Iowa | Fair | 1958 | 12.2 m | 439 |
| TAFT CREEK | Iowa | Fair | 1955 | 6.1 m | 439 |
| BOONE RIVER | Iowa | Fair | 1979 | 35.4 m | 439 |
| IA 60 ( SIBLEY BYPASS ) | Iowa | Good | 2006 | 82.6 m | 439 |
| DRY RUN | Iowa | Fair | 1924 | 7.0 m | 439 |
| LITTLE MAPLE RIVER | Iowa | Poor | 1971 | 23.8 m | 439 |
| FLOYD RIVER | Iowa | Good | 2019 | 95.7 m | 439 |
| DRY RUN | Iowa | Good | 1972 | 7.0 m | 439 |
| COAL CREEK | Iowa | Fair | 1984 | 35.4 m | 439 |
| ELK CREEK | Iowa | Fair | 2005 | 78.3 m | 439 |
| WILLOW CREEK | Iowa | Fair | 2020 | 66.1 m | 437 |
| CRABAPPLE CREEK | Iowa | Fair | 1994 | 35.4 m | 436 |
| MIDDLE MINERVA CREEK | Iowa | Fair | 1974 | 11.6 m | 435 |
| MIDDLE RACCOON RIVER | Iowa | Fair | 1968 | 38.7 m | 433 |
| TRIB TO MILLER CREEK | Iowa | Fair | 1971 | 7.6 m | 432 |
| US 52 | Iowa | Good | 2018 | 74.7 m | 432 |
| RAVEN CREEK | Iowa | Fair | 1981 | 39.0 m | 432 |
| CREEK | Iowa | Fair | 1934 | 6.4 m | 432 |
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.