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 |
|---|---|---|---|---|---|
| BRANCH DES MOINES RIVER | Iowa | Good | 2006 | 6.4 m | 1,500 |
| IA NR RR | Iowa | Fair | 1936 | 41.8 m | 1,500 |
| ODEBOLT CREEK | Iowa | Fair | 1994 | 29.9 m | 1,500 |
| CLEAR CREEK | Iowa | Good | 1978 | 11.9 m | 1,500 |
| CLEAR CREEK | Iowa | Fair | 1979 | 10.1 m | 1,500 |
| HOOSIER CREEK | Iowa | Fair | 1900 | 46.6 m | 1,500 |
| ELKHORN CREEK | Iowa | Good | 2003 | 57.3 m | 1,500 |
| IOWAY CREEK | Iowa | Fair | 1976 | 61.0 m | 1,496 |
| DRAINAGE DITCH | Iowa | Poor | 1978 | 10.7 m | 1,494 |
| CREEK | Iowa | Fair | 1970 | 16.8 m | 1,493 |
| BUCK CREEK | Iowa | Fair | 1980 | 43.3 m | 1,493 |
| WOLF CREEK | Iowa | Fair | 1982 | 39.0 m | 1,493 |
| WAPSIPINCON RIVER | Iowa | Fair | 1969 | 106.1 m | 1,493 |
| UNIV BR DRY RUN | Iowa | Good | 2019 | 8.8 m | 1,493 |
| US 30 | Iowa | Good | 2024 | 77.7 m | 1,490 |
| DRAINAGE DITCH | Iowa | Good | 1985 | 8.2 m | 1,490 |
| TRIBUTARY ENGLISH RIVER | Iowa | Fair | 1985 | 34.4 m | 1,490 |
| ELK RIVER | Iowa | Good | 2002 | 39.9 m | 1,490 |
| MIDDLE SOLDIER RIVER | Iowa | Fair | 1957 | 65.5 m | 1,490 |
| OVER RR SPUR (DME RR) | Iowa | Good | 1996 | 62.2 m | 1,490 |
| ENGLISH RIVER | Iowa | Fair | 1984 | 45.7 m | 1,490 |
| ELM CREEK | Iowa | Good | 1988 | 11.3 m | 1,490 |
| ASHER CREEK | Iowa | Good | 1957 | 46.9 m | 1,490 |
| TRIBUTARY ENGLISH RIVER | Iowa | Fair | 1985 | 40.8 m | 1,490 |
| PINE CREEK | Iowa | Fair | 1973 | 56.1 m | 1,490 |
| DRAINAGE DITCH | Iowa | Good | 1959 | 7.6 m | 1,490 |
| DRAINAGE DITCH #9 | Iowa | Good | 1990 | 25.3 m | 1,490 |
| STREAM | Iowa | Fair | 1957 | 7.6 m | 1,490 |
| CHICKEN CREEK | Iowa | Fair | 1957 | 9.8 m | 1,490 |
| WOLF CREEK | Iowa | Fair | 2006 | 57.6 m | 1,490 |
| DRAINAGE DITCH | Iowa | Good | 1987 | 7.6 m | 1,490 |
| COON CREEK | Iowa | Fair | 1997 | 35.1 m | 1,490 |
| MARBLE CREEK | Iowa | Good | 1955 | 11.4 m | 1,490 |
| SUGAR CREEK | Iowa | Fair | 1966 | 25.0 m | 1,490 |
| DRAINAGE DITCH | Iowa | Fair | 1977 | 6.4 m | 1,490 |
| SMALL NATURAL STREAM | Iowa | Good | 2019 | 10.7 m | 1,489 |
| WAPSINONOC CREEK | Iowa | Fair | 1960 | 8.8 m | 1,488 |
| DRAINAGE DITCH | Iowa | Good | 2002 | 6.1 m | 1,488 |
| FLOYD RIVER | Iowa | Good | 1990 | 91.4 m | 1,487 |
| CREEK | Iowa | Fair | 1963 | 6.4 m | 1,483 |
| TURKEY RIVER | Iowa | Fair | 1964 | 98.9 m | 1,483 |
| DRAINAGE DITCH | Iowa | Fair | 1984 | 29.9 m | 1,482 |
| SNYDER CREEK | Iowa | Fair | 1978 | 23.8 m | 1,480 |
| MUDDY CREEK | Iowa | Fair | 2012 | 15.9 m | 1,480 |
| STREAM | Iowa | Fair | 1952 | 11.0 m | 1,480 |
| HURTZELL RUN CREEK | Iowa | Fair | 1973 | 25.3 m | 1,478 |
| SO RACCOON RIVER | Iowa | Fair | 1993 | 109.7 m | 1,474 |
| BRANCH SALT CREEK | Iowa | Good | 1979 | 57.6 m | 1,470 |
| SPRING CREEK | Iowa | Good | 1994 | 7.6 m | 1,470 |
| WAPSIPINICON RIVER | Iowa | Fair | 1984 | 142.0 m | 1,470 |
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.