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 |
|---|---|---|---|---|---|
| PAINT CREEK | Iowa | Fair | 1990 | 39.0 m | 147 |
| LINN CREEK | Iowa | Good | 2007 | 23.8 m | 147 |
| CHESLEA CREEK | Iowa | Fair | 1982 | 20.7 m | 147 |
| SMALL STREAM | Iowa | Fair | 1958 | 17.7 m | 147 |
| MORGAN CREEK | Iowa | Fair | 1993 | 14.6 m | 147 |
| KITTY CREEK | Iowa | Fair | 1960 | 47.2 m | 147 |
| STREAM | Iowa | Fair | 1951 | 7.6 m | 147 |
| BLUE CREEK | Iowa | Poor | 1989 | 10.9 m | 147 |
| CREEK | Iowa | Fair | 1921 | 7.3 m | 147 |
| MINERVA CREEK | Iowa | Poor | 1916 | 9.4 m | 147 |
| WEST FORK BEAVER DAM CR | Iowa | Fair | 1981 | 11.6 m | 147 |
| CREEK | Iowa | Good | 2002 | 15.5 m | 147 |
| MINERVA CREEK | Iowa | Good | 1997 | 67.1 m | 147 |
| CANOE CREEK | Iowa | Fair | 1935 | 58.2 m | 147 |
| LINN CREEK | Iowa | Fair | 1987 | 35.1 m | 147 |
| MINERVA CREEK | Iowa | Good | 1997 | 34.1 m | 147 |
| MIDDLE MINERVA CREEK | Iowa | Fair | 2005 | 46.6 m | 147 |
| ACKLEY CREEK | Iowa | Good | 2011 | 24.7 m | 147 |
| CROOKED CREEK | Iowa | Fair | 1984 | 38.7 m | 145 |
| I-80 | Iowa | Good | 1961 | 68.9 m | 145 |
| CREEK | Iowa | Poor | 1916 | 9.8 m | 145 |
| CHICKEN CREEK | Iowa | Good | 2013 | 71.0 m | 145 |
| STREAM | Iowa | Fair | 1960 | 13.4 m | 145 |
| STREAM | Iowa | Good | 2018 | 12.2 m | 145 |
| UNNAMED CREEK | Iowa | Fair | 2000 | 8.2 m | 145 |
| BR FISH CREEK | Iowa | Good | 1997 | 39.3 m | 145 |
| BRANCH TURKEY RIVER | Iowa | Good | 1980 | 7.3 m | 145 |
| I-80 | Iowa | Fair | 1958 | 66.8 m | 145 |
| CEDAR RIVER | Iowa | Good | 2019 | 251.8 m | 144 |
| DRAINAGE | Iowa | Poor | 1920 | 9.8 m | 144 |
| MIDDLE SOUTH CREEK | Iowa | Fair | 1971 | 23.5 m | 144 |
| SUGAR CREEK | Iowa | Good | 2017 | 41.1 m | 144 |
| DEER CREEK | Iowa | Good | 2022 | 9.9 m | 143 |
| SW BR DRY RUN CREEK | Iowa | Good | 2002 | 9.7 m | 143 |
| W BR DRY RUN CREEK | Iowa | Good | 2018 | 21.6 m | 143 |
| STREAM | Iowa | Poor | 1976 | 9.8 m | 143 |
| CREEK | Iowa | Good | 2002 | 6.7 m | 143 |
| PRAIRIE CREEK | Iowa | Good | 1996 | 6.1 m | 143 |
| BUFFALO CREEK | Iowa | Poor | 1971 | 39.0 m | 143 |
| LITTLE ROCK RIVER | Iowa | Fair | 1982 | 70.1 m | 143 |
| MIDDLE TARKIO CREEK | Iowa | Good | 2024 | 58.5 m | 142 |
| EAST NISHNABOTNA RIVER | Iowa | Good | 2023 | 139.4 m | 142 |
| SKUNK RIVER | Iowa | Good | 2012 | 124.7 m | 142 |
| WAUBONSIE DITCH | Iowa | Fair | 1955 | 37.2 m | 142 |
| FISHER CREEK | Iowa | Good | 2021 | 21.6 m | 142 |
| SMALL STREAM | Iowa | Good | 1997 | 15.9 m | 142 |
| STREAM | Iowa | Fair | 1975 | 54.6 m | 141 |
| SOUTH WEST CREEK | Iowa | Poor | 1960 | 17.4 m | 141 |
| LYONS CREEK | Iowa | Good | 1982 | 17.7 m | 141 |
| DRAINAGE | Iowa | Good | 2006 | 12.2 m | 141 |
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.