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 |
|---|---|---|---|---|---|
| SMALL STREAM | Iowa | Good | 2014 | 34.4 m | 960 |
| SAND CREEK | Iowa | Good | 1981 | 29.9 m | 960 |
| BEAVER CREEK | Iowa | Good | 2003 | 107.9 m | 960 |
| OVERFLOW-BEAVER CK | Iowa | Fair | 1994 | 39.0 m | 960 |
| HONEY CREEK | Iowa | Fair | 1968 | 54.3 m | 960 |
| STREAM | Iowa | Fair | 1939 | 7.0 m | 960 |
| FARM CREEK | Iowa | Good | 1995 | 83.8 m | 960 |
| LAWRENCE CREEK | Iowa | Good | 2022 | 8.8 m | 960 |
| SOUTH BIG CREEK | Iowa | Good | 1999 | 42.4 m | 960 |
| SMALL STREAM | Iowa | Good | 1973 | 8.2 m | 960 |
| VOLGA RIVER | Iowa | Poor | 1963 | 67.1 m | 959 |
| US 20 | Iowa | Fair | 1974 | 95.4 m | 959 |
| EAST INDIAN CREEK | Iowa | Good | 2021 | 24.7 m | 957 |
| STREAM | Iowa | Good | 2012 | 6.4 m | 957 |
| SIXMILE CREEK | Iowa | Good | 1973 | 39.0 m | 957 |
| CREEK | Iowa | Good | 2003 | 27.7 m | 957 |
| DD #65 | Iowa | Fair | 1987 | 16.8 m | 957 |
| DRY CREEK | Iowa | Good | 2010 | 25.3 m | 957 |
| INDIAN CREEK | Iowa | Fair | 1976 | 7.3 m | 956 |
| SOUTH FORK BEAVER CREEK | Iowa | Fair | 1980 | 46.9 m | 953 |
| MIDDLE FORK BEAVER CREEK | Iowa | Fair | 1978 | 35.4 m | 953 |
| SNY MAGILL | Iowa | Fair | 1980 | 48.2 m | 953 |
| TROUT RIVER | Iowa | Poor | 1956 | 52.7 m | 953 |
| STREAM | Iowa | Fair | 1972 | 16.8 m | 953 |
| OTTER CREEK | Iowa | Good | 1964 | 53.6 m | 952 |
| CREEK | Iowa | Good | 1958 | 7.3 m | 950 |
| DEEP CREEK | Iowa | Fair | 1968 | 31.4 m | 950 |
| CEDAR RIVER | Iowa | Poor | 1971 | 213.1 m | 950 |
| HARDIN CREEK | Iowa | Fair | 1990 | 35.7 m | 950 |
| US 30WB/US 218NB ON RAMP | Iowa | Good | 2018 | 123.1 m | 950 |
| VILLAGE CREEK | Iowa | Poor | 1961 | 31.1 m | 950 |
| JORDAN CREEK | Iowa | Fair | 1969 | 6.7 m | 948 |
| BEAR CREEK | Iowa | Good | 2003 | 25.3 m | 948 |
| LAKE CREEK | Iowa | Good | 2021 | 33.8 m | 948 |
| PERRY CREEK | Iowa | Good | 2017 | 7.3 m | 948 |
| S FORK IOWA RIVER | Iowa | Good | 2014 | 31.4 m | 943 |
| DRAINAGE DITCH | Iowa | Good | 2012 | 7.0 m | 943 |
| DRAINAGE DITCH | Iowa | Good | 2015 | 9.1 m | 943 |
| RAILROAD CREEK | Iowa | Good | 1977 | 12.2 m | 942 |
| SOUTH BIG CREEK | Iowa | Fair | 1996 | 35.1 m | 940 |
| BIG CREEK | Iowa | Good | 1999 | 53.6 m | 940 |
| BROKEN KETTLE CREEK | Iowa | Fair | 1975 | 31.4 m | 940 |
| SMALL STREAM | Iowa | Poor | 1925 | 13.7 m | 940 |
| STREAM | Iowa | Good | 1975 | 7.3 m | 940 |
| MIDDLE CREEK | Iowa | Fair | 1961 | 40.2 m | 940 |
| LITTLE LICK CREEK | Iowa | Fair | 1989 | 52.1 m | 940 |
| WESTFIELD CREEK | Iowa | Good | 1975 | 7.6 m | 940 |
| CREEK | Iowa | Fair | 1956 | 46.3 m | 940 |
| OTTER CREEK | Iowa | Fair | 1964 | 34.7 m | 939 |
| I-380 | Iowa | Fair | 1975 | 78.6 m | 939 |
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.