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 |
|---|---|---|---|---|---|
| STONY CREEK | Iowa | Poor | 1990 | 31.4 m | 315 |
| UNNAMED CREEK | Iowa | Fair | 1925 | 7.3 m | 314 |
| TURKEY RIVER | Iowa | Fair | 1978 | 99.8 m | 314 |
| STEIN CREEK | Iowa | Poor | 1959 | 38.7 m | 314 |
| TURKEY RIVER | Iowa | Poor | 1953 | 103.6 m | 314 |
| CREEK | Iowa | Good | 2018 | 9.8 m | 314 |
| LITTLE MAQUOKETA RIVER | Iowa | Good | 2006 | 37.2 m | 314 |
| BUFFALO CREEK | Iowa | Fair | 1968 | 22.9 m | 314 |
| TRIB TO SPRING CREEK | Iowa | Good | 2007 | 27.4 m | 314 |
| I-380 | Iowa | Fair | 1984 | 103.3 m | 314 |
| SALT CREEK | Iowa | Poor | 1959 | 44.5 m | 314 |
| BEAVER CREEK | Iowa | Fair | 1970 | 23.5 m | 314 |
| TRIB TO MILLER CREEK | Iowa | Fair | 1974 | 7.3 m | 314 |
| TRIB TO MILLER CREEK | Iowa | Fair | 1974 | 9.7 m | 314 |
| CREEK | Iowa | Good | 2017 | 28.3 m | 314 |
| TURKEY RIVER | Iowa | Good | 1987 | 89.4 m | 314 |
| SMALL STREAM | Iowa | Fair | 1959 | 11.3 m | 314 |
| SOLDIER RIVER | Iowa | Good | 2004 | 66.1 m | 313 |
| SKILLET CREEK | Iowa | Fair | 1965 | 7.6 m | 313 |
| DEDHAM CREEK | Iowa | Good | 1977 | 34.4 m | 311 |
| CARLAN CREEK | Iowa | Fair | 1981 | 8.2 m | 311 |
| BLUEGRASS CREEK | Iowa | Good | 2009 | 28.3 m | 311 |
| IA 5 | Iowa | Good | 1998 | 72.8 m | 310 |
| BEAR CREEK | Iowa | Good | 2012 | 70.0 m | 310 |
| SOUTH CHEQUEST CREEK | Iowa | Poor | 1981 | 31.4 m | 310 |
| BURR OAK CREEK | Iowa | Fair | 1979 | 7.0 m | 310 |
| SMALL | Iowa | Fair | 1983 | 6.4 m | 310 |
| CREEK | Iowa | Poor | 1920 | 14.3 m | 310 |
| DRAINAGE | Iowa | Good | 2016 | 27.7 m | 310 |
| CREEK | Iowa | Poor | 1963 | 9.1 m | 310 |
| SOUTH CHARITON RIVER | Iowa | Good | 1969 | 86.0 m | 310 |
| MIDDLE ENGLISH | Iowa | Good | 2002 | 35.4 m | 310 |
| SOUTH WALKER CREEK | Iowa | Good | 2001 | 39.0 m | 310 |
| ELK RIVER | Iowa | Poor | 1968 | 38.7 m | 310 |
| DRAINAGE DITCH | Iowa | Fair | 1958 | 7.9 m | 310 |
| GOOD WATER CREEK | Iowa | Fair | 1984 | 10.1 m | 310 |
| CEDAR CREEK | Iowa | Fair | 1963 | 63.1 m | 310 |
| WEST SILVER CREEK | Iowa | Good | 2003 | 47.5 m | 310 |
| FOX RIVER | Iowa | Fair | 1974 | 53.6 m | 310 |
| GRITTER CREEK | Iowa | Fair | 1981 | 6.4 m | 310 |
| CHARITON RIVER | Iowa | Poor | 1970 | 76.8 m | 310 |
| SHANCTON CREEK | Iowa | Poor | 1970 | 6.4 m | 310 |
| WEST FORK LITTLE SIOUX | Iowa | Poor | 1969 | 54.9 m | 309 |
| MIDDLE MILL CREEK | Iowa | Fair | 1980 | 6.7 m | 309 |
| KLONDIKE CREEK | Iowa | Poor | 1966 | 30.5 m | 309 |
| EAST RIVER | Iowa | Good | 1990 | 39.0 m | 309 |
| NORTH RIVER | Iowa | Good | 2022 | 30.8 m | 309 |
| BUFFALO CREEK | Iowa | Poor | 1958 | 26.8 m | 309 |
| WEST MILL CREEK | Iowa | Poor | 1979 | 49.7 m | 309 |
| KING CREEK | Iowa | Good | 2007 | 7.9 m | 309 |
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.