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 |
|---|---|---|---|---|---|
| BLACK CAT CREEK | Iowa | Fair | 1977 | 39.3 m | 500 |
| CREEK | Iowa | Fair | 1971 | 8.2 m | 500 |
| CREEK | Iowa | Fair | 1971 | 12.2 m | 500 |
| DUCK CREEK | Iowa | Poor | 1950 | 36.6 m | 500 |
| WINN BRANCH WB CREEK | Iowa | Fair | 2003 | 11.9 m | 500 |
| WHITE BREAST | Iowa | Fair | 1988 | 69.8 m | 500 |
| SMALL STREAM | Iowa | Poor | 1964 | 6.4 m | 500 |
| SMALL CREEK | Iowa | Fair | 1950 | 7.0 m | 500 |
| CREEK | Iowa | Good | 2020 | 37.5 m | 500 |
| MUD CREEK | Iowa | Good | 2005 | 9.8 m | 500 |
| COE CREEK | Iowa | Fair | 1972 | 26.8 m | 500 |
| BOONE RIVER | Iowa | Fair | 1964 | 93.9 m | 499 |
| OTTER CREEK | Iowa | Good | 2013 | 28.0 m | 499 |
| SKINAWAY CREEK | Iowa | Fair | 1986 | 11.9 m | 499 |
| WEST CREEK | Iowa | Good | 1987 | 84.7 m | 499 |
| BATTLE CREEK | Iowa | Fair | 1968 | 6.7 m | 499 |
| BATTLE CREEK | Iowa | Fair | 1968 | 10.1 m | 499 |
| UNNAMED CREEK | Iowa | Fair | 1968 | 10.1 m | 499 |
| BATTLE CREEK | Iowa | Poor | 1969 | 31.1 m | 499 |
| EAST FORK BATTLE CREEK | Iowa | Fair | 1968 | 13.1 m | 499 |
| HOG BRANCH | Iowa | Good | 1988 | 10.7 m | 499 |
| EAST SOLDIER RIVER | Iowa | Good | 2023 | 45.7 m | 499 |
| CROOKED CREEK | Iowa | Fair | 1950 | 13.7 m | 499 |
| I-35 | Iowa | Fair | 1968 | 95.4 m | 499 |
| WHITE OAK CREEK | Iowa | Good | 2011 | 8.1 m | 499 |
| WEST NODAWAY RIVER | Iowa | Good | 1942 | 64.9 m | 499 |
| BR SPRUCE CREEK | Iowa | Fair | 1998 | 18.3 m | 499 |
| WEST OTTER CREEK DD 26 | Iowa | Good | 2007 | 23.8 m | 498 |
| SOLDIER RIVER | Iowa | Fair | 1957 | 68.0 m | 497 |
| DRAINAGE DITCH | Iowa | Fair | 1955 | 7.3 m | 491 |
| VOLGA RIVER | Iowa | Poor | 1960 | 91.4 m | 491 |
| WAPSIPINICON RIVER | Iowa | Fair | 1964 | 106.1 m | 491 |
| DRAINAGE DITCH | Iowa | Fair | 1955 | 9.1 m | 491 |
| VOLGA RIVER | Iowa | Fair | 1956 | 23.8 m | 491 |
| ELK CREEK | Iowa | Poor | 1964 | 16.8 m | 491 |
| DOWD CREEK | Iowa | Poor | 1972 | 38.7 m | 491 |
| FLOOD CREEK | Iowa | Poor | 1975 | 35.4 m | 491 |
| TURKEY RIVER | Iowa | Fair | 1957 | 63.1 m | 491 |
| BRANCH OF IOWA RIVER | Iowa | Poor | 1936 | 12.5 m | 491 |
| BRANCH OF IOWA RIVER | Iowa | Good | 2020 | 7.6 m | 491 |
| YELLOW RIVER | Iowa | Fair | 1964 | 17.4 m | 491 |
| UP RR | Iowa | Fair | 1982 | 50.9 m | 490 |
| DRAINAGE DITCH | Iowa | Fair | 1954 | 6.4 m | 490 |
| LITTLE WHITEBREAST CREEK | Iowa | Poor | 1974 | 35.4 m | 490 |
| SM STREAM | Iowa | Poor | 1950 | 7.3 m | 490 |
| DRAINAGE | Iowa | Good | 1958 | 8.2 m | 490 |
| ENGLISH RIVER | Iowa | Fair | 1971 | 68.6 m | 490 |
| BROKEN KETTLE CREEK | Iowa | Fair | 1979 | 61.9 m | 490 |
| CROW CREEK | Iowa | Good | 1992 | 9.1 m | 490 |
| CREEK | Iowa | Poor | 1962 | 10.1 m | 490 |
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.