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 |
|---|---|---|---|---|---|
| LOTTS CREEK | Iowa | Good | 2017 | 27.6 m | 938 |
| ROCK CREEK | Iowa | Fair | 1968 | 7.6 m | 938 |
| SMALL STREAM | Iowa | Poor | 1936 | 8.8 m | 938 |
| BLUE EARTH RIVER | Iowa | Poor | 1924 | 13.1 m | 938 |
| DEEP CREEK | Iowa | Good | 1982 | 50.9 m | 938 |
| INDIAN CREEK | Iowa | Poor | 1969 | 31.4 m | 938 |
| SMALL STREAM | Iowa | Poor | 1980 | 7.6 m | 937 |
| DEER CREEK | Iowa | Fair | 1985 | 31.4 m | 937 |
| STONY CREEK | Iowa | Fair | 1977 | 23.5 m | 934 |
| STONY CREEK | Iowa | Good | 2001 | 7.6 m | 934 |
| BUCK RUN CREEK | Iowa | Fair | 1939 | 16.9 m | 933 |
| YELLOW RIVER | Iowa | Fair | 1970 | 61.6 m | 933 |
| BRANCH YELLOW RIVER | Iowa | Poor | 1999 | 27.7 m | 933 |
| TRIB TO CEDAR RIVER | Iowa | Good | 1974 | 7.6 m | 933 |
| CREEK | Iowa | Good | 2013 | 7.3 m | 933 |
| MID SOUTH CREEK | Iowa | Fair | 1983 | 6.4 m | 932 |
| ALDRICH CREEK | Iowa | Good | 1997 | 32.9 m | 930 |
| MOREHEAD CREEK | Iowa | Fair | 1985 | 29.9 m | 930 |
| BEAVER CREEK | Iowa | Good | 1984 | 39.0 m | 930 |
| WEST ELK CREEK | Iowa | Fair | 1985 | 44.5 m | 930 |
| STREAM | Iowa | Fair | 1978 | 26.8 m | 930 |
| TWIN SPRINGS CREEK | Iowa | Good | 1978 | 28.3 m | 930 |
| CEDAR RIVER OVERFLOW | Iowa | Fair | 1952 | 73.8 m | 930 |
| NO BRANCH ELK CREEK | Iowa | Good | 1984 | 9.8 m | 930 |
| CEDAR RIVER | Iowa | Good | 1971 | 175.3 m | 930 |
| TWO MILE CREEK | Iowa | Fair | 1979 | 37.5 m | 930 |
| STREAM | Iowa | Fair | 1985 | 7.6 m | 930 |
| HORTON CREEK | Iowa | Good | 1987 | 40.5 m | 930 |
| KOKER CREEK | Iowa | Good | 1986 | 7.6 m | 930 |
| STEELE CREEK | Iowa | Fair | 1963 | 50.0 m | 930 |
| CARDINAL CREEK | Iowa | Fair | 1960 | 8.2 m | 930 |
| LITTLE BEAR CREEK | Iowa | Fair | 1952 | 34.1 m | 930 |
| DRAINAGE | Iowa | Good | 2021 | 21.6 m | 928 |
| LITTLE INDIAN CREEK | Iowa | Poor | 1968 | 7.9 m | 928 |
| EAST RIVER | Iowa | Fair | 1990 | 39.0 m | 927 |
| SMALL NATURAL STREAM | Iowa | Good | 2004 | 6.7 m | 927 |
| MIDDLE RACCOON RIVER | Iowa | Fair | 1992 | 97.8 m | 927 |
| MIDDLE PLATTE | Iowa | Fair | 1975 | 39.0 m | 927 |
| EAST PLATTE RIVER | Iowa | Good | 2009 | 31.4 m | 927 |
| OTTER CREEK | Iowa | Fair | 1990 | 50.9 m | 923 |
| SUGAR CREEK | Iowa | Fair | 1963 | 31.1 m | 920 |
| CEDAR CREEK | Iowa | Fair | 1990 | 123.1 m | 920 |
| MAQUOKETA RIVER | Iowa | Fair | 1956 | 217.6 m | 920 |
| BR OF COONS CREEK | Iowa | Good | 1978 | 17.7 m | 920 |
| BR BUFFALO CK | Iowa | Fair | 1978 | 7.0 m | 920 |
| SMITH CREEK | Iowa | Poor | 1928 | 22.3 m | 920 |
| BNSF RR | Iowa | Good | 2019 | 57.0 m | 920 |
| PINCHAM HOLLOW CREEK | Iowa | Fair | 1978 | 21.6 m | 920 |
| CLARK BR OF W NODAWAY R | Iowa | Good | 2010 | 52.5 m | 920 |
| US 34 | Iowa | Good | 2002 | 179.8 m | 920 |
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.