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 |
|---|---|---|---|---|---|
| TOM CREEK | Iowa | Good | 2022 | 64.0 m | 279 |
| N FORK BUFFALO CREEK | Iowa | Fair | 2001 | 31.7 m | 279 |
| LITTLE OCHEYDAN | Iowa | Good | 2006 | 43.3 m | 279 |
| TRIB. OF BEAVER CREEK | Iowa | Poor | 1948 | 7.3 m | 279 |
| BEAVER CREEK | Iowa | Fair | 1948 | 55.8 m | 279 |
| SOLDIER CREEK | Iowa | Good | 1994 | 27.7 m | 279 |
| WALNUT CREEK | Iowa | Fair | 1956 | 46.6 m | 278 |
| MOSQUITO CREEK | Iowa | Fair | 1951 | 64.6 m | 278 |
| WALNUT CREEK | Iowa | Fair | 1974 | 12.2 m | 278 |
| N FORK CLANTON CREEK | Iowa | Good | 2022 | 58.5 m | 278 |
| NORTH RIVER | Iowa | Good | 1985 | 75.0 m | 278 |
| E BR WEST NISHNABOTNA R | Iowa | Fair | 1979 | 31.4 m | 278 |
| SMALL NATURAL STREAM | Iowa | Poor | 1939 | 6.4 m | 278 |
| NORTH ELK CREEK | Iowa | Poor | 1939 | 46.9 m | 278 |
| CROOKED CREEK | Iowa | Good | 2003 | 39.0 m | 278 |
| WEST CREEK | Iowa | Good | 1996 | 54.6 m | 278 |
| CREEK | Iowa | Fair | 1975 | 23.8 m | 278 |
| EAST BR W NISHNABOTNA | Iowa | Fair | 1965 | 76.8 m | 278 |
| SMALL STREAM | Iowa | Poor | 1968 | 23.2 m | 278 |
| CREEK | Iowa | Good | 2007 | 7.0 m | 278 |
| ENGLISH CREEK | Iowa | Good | 1982 | 46.6 m | 278 |
| PONY CREEK | Iowa | Good | 1992 | 27.7 m | 278 |
| PONY CREEK | Iowa | Fair | 1992 | 27.7 m | 278 |
| INDIAN CREEK | Iowa | Good | 2024 | 81.4 m | 278 |
| PLUM CREEK | Iowa | Poor | 1949 | 12.8 m | 275 |
| BRANCH TWELVE MILE CREEK | Iowa | Good | 2003 | 7.6 m | 275 |
| WILLOW CREEK | Iowa | Fair | 1914 | 7.9 m | 275 |
| SMALL STREAM | Iowa | Good | 1957 | 7.9 m | 275 |
| BRUSH CREEK | Iowa | Poor | 1957 | 38.7 m | 275 |
| CREEK | Iowa | Poor | 1972 | 22.9 m | 275 |
| PLUM CREEK | Iowa | Fair | 1969 | 31.1 m | 275 |
| DRAINAGE | Iowa | Poor | 1955 | 19.5 m | 275 |
| DEEP CREEK | Iowa | Fair | 1978 | 31.4 m | 275 |
| SMALL STREAM | Iowa | Fair | 1970 | 22.9 m | 275 |
| DEER CREEK | Iowa | Poor | 1954 | 54.3 m | 275 |
| BLACKHAWK CREEK BRANCH | Iowa | Poor | 1965 | 13.4 m | 275 |
| HEWETT CREEK | Iowa | Fair | 1935 | 18.3 m | 275 |
| MUD CREEK | Iowa | Good | 2004 | 27.4 m | 275 |
| STREAM | Iowa | Fair | 1986 | 17.1 m | 275 |
| CRANE CREEK | Iowa | Poor | 1971 | 11.0 m | 275 |
| SMALL | Iowa | Poor | 1973 | 17.7 m | 275 |
| DD #114 | Iowa | Fair | 1973 | 87.2 m | 275 |
| WEST FORK BEAVER DAM CR | Iowa | Good | 1978 | 11.9 m | 275 |
| BAILEY CREEK | Iowa | Fair | 1974 | 22.9 m | 275 |
| QUARTER SEC RUN | Iowa | Poor | 1939 | 56.1 m | 275 |
| SMALL STREAM | Iowa | Good | 2000 | 6.7 m | 275 |
| BR CLEAR CR | Iowa | Good | 2021 | 21.3 m | 275 |
| WHITEWATER CREEK | Iowa | Good | 2021 | 62.3 m | 275 |
| MUCHINOCK CREEK | Iowa | Fair | 1990 | 11.6 m | 274 |
| TARKIO CREEK | Iowa | Good | 1994 | 39.0 m | 274 |
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.