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 |
|---|---|---|---|---|---|
| JORDAN CREEK | Iowa | Fair | 1967 | 25.0 m | 4,381 |
| MITCHELL CREEK | Iowa | Good | 2009 | 46.9 m | 4,360 |
| CRANE CREEK | Iowa | Fair | 1971 | 67.4 m | 4,360 |
| BNSF RR | Iowa | Fair | 1968 | 144.2 m | 4,350 |
| DES MOINES RIVER | Iowa | Fair | 1963 | 220.7 m | 4,350 |
| IA 136 | Iowa | Good | 2002 | 41.8 m | 4,350 |
| CHURCH STREET | Iowa | Fair | 1966 | 48.2 m | 4,350 |
| CHURCH STREET | Iowa | Fair | 1966 | 48.2 m | 4,350 |
| 150TH ST | Iowa | Good | 2001 | 35.9 m | 4,350 |
| BARDELL STREET | Iowa | Fair | 1966 | 49.4 m | 4,350 |
| IA 136 | Iowa | Good | 1995 | 59.7 m | 4,350 |
| IA 136 | Iowa | Good | 1995 | 59.7 m | 4,350 |
| BARDELL STREET | Iowa | Fair | 1966 | 49.4 m | 4,350 |
| IAIS RR | Iowa | Good | 2014 | 54.0 m | 4,330 |
| BEE BRANCH | Iowa | Good | 2009 | 6.1 m | 4,322 |
| MIDDLE CREEK | Iowa | Fair | 1961 | 38.7 m | 4,320 |
| I 80 | Iowa | Fair | 1962 | 68.9 m | 4,310 |
| W FORK LITTLE SIOUX RVR | Iowa | Poor | 1929 | 20.4 m | 4,310 |
| LITTLE SIOUX RIVER | Iowa | Good | 1971 | 37.5 m | 4,310 |
| COAL CREEK | Iowa | Good | 1997 | 93.3 m | 4,300 |
| DES MOINES RIVER | Iowa | Fair | 1990 | 206.0 m | 4,300 |
| BEAVER CREEK | Iowa | Good | 1997 | 69.8 m | 4,300 |
| STREAM | Iowa | Fair | 1936 | 19.1 m | 4,300 |
| KITTY CREEK | Iowa | Fair | 2002 | 52.1 m | 4,300 |
| KITTY CREEK | Iowa | Good | 2002 | 52.1 m | 4,300 |
| COAL CREEK | Iowa | Fair | 1966 | 75.0 m | 4,300 |
| SOUTH RIVER | Iowa | Good | 2000 | 118.3 m | 4,300 |
| I-35 | Iowa | Good | 2009 | 74.7 m | 4,300 |
| I-35 | Iowa | Good | 2010 | 74.7 m | 4,300 |
| OVER CC RR | Iowa | Fair | 1967 | 114.1 m | 4,300 |
| BOYER RIVER | Iowa | Fair | 1967 | 88.7 m | 4,300 |
| BEAVER CREEK | Iowa | Fair | 1978 | 69.8 m | 4,300 |
| LITTLE BEAVER CREEK | Iowa | Fair | 1983 | 37.5 m | 4,300 |
| SOUTH RIVER | Iowa | Fair | 1966 | 119.2 m | 4,300 |
| DES MOINES RIVER | Iowa | Fair | 1990 | 206.0 m | 4,300 |
| DOUGLAS CREEK | Iowa | Fair | 1964 | 53.0 m | 4,290 |
| PLUM CREEK | Iowa | Good | 2000 | 34.4 m | 4,290 |
| MUDDY CREEK | Iowa | Fair | 1999 | 7.9 m | 4,290 |
| PERRY CREEK | Iowa | Good | 2006 | 65.2 m | 4,284 |
| STREAM | Iowa | Fair | 1944 | 7.0 m | 4,280 |
| NORTH RIVER | Iowa | Fair | 1969 | 62.2 m | 4,280 |
| IOWA RIVER | Iowa | Good | 1956 | 131.7 m | 4,280 |
| E. FK WAPSIPINICON RIVER | Iowa | Fair | 1962 | 55.8 m | 4,280 |
| SPRING CREEK | Iowa | Fair | 1971 | 22.3 m | 4,280 |
| N BRANCH NORTH RIVER | Iowa | Fair | 1983 | 61.0 m | 4,280 |
| DES MOINES RIVER | Iowa | Good | 2010 | 219.5 m | 4,276 |
| SOUTH AVERY CREEK | Iowa | Fair | 1960 | 47.2 m | 4,270 |
| BEAR CREEK ICE RR | Iowa | Fair | 1960 | 112.5 m | 4,270 |
| LOST ISLAND OUTLET | Iowa | Fair | 1931 | 32.0 m | 4,270 |
| DRAINAGE DITCH | Iowa | Fair | 1965 | 8.8 m | 4,270 |
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.