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 |
|---|---|---|---|---|---|
| WANATEE CREEK | Iowa | Good | 1998 | 6.4 m | 201 |
| BULGER CREEK | Iowa | Fair | 1986 | 39.0 m | 200 |
| BRUSH CREEK | Iowa | Poor | 1988 | 25.3 m | 200 |
| MUD CREEK | Iowa | Fair | 2002 | 27.4 m | 200 |
| MUD CREEK | Iowa | Fair | 2003 | 23.8 m | 200 |
| IAIS RR | Iowa | Good | 2018 | 48.8 m | 200 |
| ROCK CREEK | Iowa | Fair | 1968 | 24.4 m | 200 |
| PINE CREEK | Iowa | Good | 2008 | 37.5 m | 200 |
| LITTLE MUCHAKINOCK CREEK | Iowa | Good | 2007 | 9.8 m | 200 |
| WOLF CREEK | Iowa | Good | 1988 | 6.4 m | 200 |
| MIDDLE WALNUT CREEK | Iowa | Good | 2008 | 25.3 m | 200 |
| STREAM | Iowa | Good | 1956 | 7.6 m | 200 |
| LIME CR | Iowa | Fair | 1952 | 38.7 m | 200 |
| DRAINAGE | Iowa | Poor | 1962 | 11.6 m | 200 |
| SILVER CREEK | Iowa | Good | 1997 | 39.0 m | 200 |
| VILLAGE CREEK | Iowa | Good | 2018 | 12.8 m | 200 |
| SILVER CREEK | Iowa | Good | 1926 | 21.9 m | 200 |
| S SKUNK RIVER | Iowa | Good | 2004 | 116.1 m | 200 |
| SMALL CREEK | Iowa | Good | 1977 | 8.8 m | 200 |
| CREEK | Iowa | Poor | 1974 | 31.7 m | 200 |
| CREEK | Iowa | Good | 1992 | 7.6 m | 200 |
| MUD CREEK | Iowa | Poor | 1955 | 7.6 m | 200 |
| LICK CREEK | Iowa | Good | 2008 | 43.0 m | 200 |
| RICHLAND CREEK | Iowa | Good | 2007 | 36.0 m | 200 |
| CREEK | Iowa | Poor | 1970 | 6.4 m | 200 |
| STREAM | Iowa | Fair | 1965 | 9.1 m | 200 |
| UNNAMED CREEK | Iowa | Good | 1988 | 6.7 m | 200 |
| LEWIS CREEK | Iowa | Fair | 1985 | 8.2 m | 200 |
| DME RR | Iowa | Poor | 1936 | 36.0 m | 200 |
| CLEAR CREEK | Iowa | Poor | 1962 | 15.5 m | 200 |
| UNNAMED STREAM | Iowa | Fair | 1976 | 6.7 m | 200 |
| SOUTH SKUNK RIVER | Iowa | Good | 1982 | 181.7 m | 200 |
| CRABAPPLE CREEK | Iowa | Poor | 1958 | 31.4 m | 199 |
| SMALL STREAM | Iowa | Fair | 1965 | 7.6 m | 199 |
| FLOYD RIVER | Iowa | Fair | 1965 | 61.6 m | 199 |
| UNAMED CREEK | Iowa | Good | 2004 | 35.1 m | 199 |
| RACCOON RIVER | Iowa | Fair | 1993 | 97.8 m | 199 |
| ENGELS CREEK | Iowa | Fair | 1925 | 7.9 m | 199 |
| KEMP CREEK | Iowa | Poor | 1961 | 31.4 m | 199 |
| WHEELER CREEK | Iowa | Poor | 1968 | 13.4 m | 199 |
| LITTLE OTTER CREEK | Iowa | Poor | 1968 | 39.0 m | 199 |
| PERRY CREEK | Iowa | Fair | 1979 | 27.4 m | 199 |
| IOWA RIVER | Iowa | Poor | 1968 | 53.3 m | 199 |
| DRAINAGE DITCH 430 | Iowa | Fair | 1959 | 6.1 m | 199 |
| SHOW CREEK | Iowa | Poor | 1961 | 31.1 m | 199 |
| RACCOON RIVER | Iowa | Fair | 1952 | 104.5 m | 199 |
| FLOYD RIVER | Iowa | Good | 2004 | 54.6 m | 199 |
| BUCK CREEK | Iowa | Fair | 1975 | 7.9 m | 199 |
| JORDAN CREEK | Iowa | Fair | 2000 | 54.6 m | 199 |
| BROKEN KETTLE CREEK | Iowa | Good | 2010 | 28.3 m | 199 |
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.