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 |
|---|---|---|---|---|---|
| BOWLING BALL CR | Iowa | Fair | 2003 | 14.9 m | 2,013 |
| DRY CREEK | Iowa | Poor | 1951 | 17.4 m | 2,012 |
| I 80 | Iowa | Fair | 1969 | 83.8 m | 2,011 |
| RELOC. US 34 | Iowa | Good | 1998 | 71.6 m | 2,010 |
| SHELL ROCK RIVER | Iowa | Good | 1992 | 147.5 m | 2,010 |
| TURKEY CREEK | Iowa | Good | 1995 | 43.3 m | 2,010 |
| ENGLISH CREEK | Iowa | Fair | 1987 | 8.8 m | 2,010 |
| US 218 | Iowa | Fair | 2008 | 73.2 m | 2,010 |
| DRAINAGE DITCH | Iowa | Good | 1976 | 8.2 m | 2,010 |
| DITCH #49 | Iowa | Good | 2018 | 7.6 m | 2,010 |
| BEAR CREEK | Iowa | Good | 2023 | 61.6 m | 2,010 |
| ELK RUN CREEK | Iowa | Good | 1983 | 66.4 m | 2,008 |
| DRAINAGE DITCH | Iowa | Good | 2018 | 11.4 m | 2,007 |
| STREAM | Iowa | Fair | 1969 | 46.3 m | 2,000 |
| TURKEY CREEK | Iowa | Fair | 1959 | 65.2 m | 2,000 |
| SMALL STREAM | Iowa | Fair | 1968 | 6.7 m | 2,000 |
| BUCK CREEK | Iowa | Poor | 1969 | 31.4 m | 2,000 |
| LITTLE FLINT RIVER | Iowa | Poor | 1968 | 25.0 m | 2,000 |
| MORMAN BRANCH CREEK | Iowa | Good | 1987 | 8.8 m | 2,000 |
| SMALL STREAM | Iowa | Poor | 1969 | 31.1 m | 2,000 |
| US 30 | Iowa | Good | 1995 | 67.1 m | 1,997 |
| CRANE CREEK | Iowa | Good | 2006 | 65.2 m | 1,990 |
| BUFFALO CREEK | Iowa | Fair | 1960 | 7.0 m | 1,990 |
| FABIUS CREEK | Iowa | Fair | 1974 | 52.1 m | 1,990 |
| NORTH FABIUS CREEK | Iowa | Fair | 1974 | 7.9 m | 1,990 |
| CARTER CREEK | Iowa | Good | 1974 | 48.5 m | 1,990 |
| SOUTH WYACONDA CREEK | Iowa | Fair | 1974 | 6.7 m | 1,990 |
| STREAM | Iowa | Good | 1976 | 39.3 m | 1,990 |
| STREAM | Iowa | Fair | 1969 | 7.3 m | 1,990 |
| I 80 | Iowa | Fair | 1963 | 76.5 m | 1,990 |
| DAVIDS CREEK | Iowa | Fair | 1959 | 38.7 m | 1,987 |
| STREAM | Iowa | Fair | 1976 | 8.8 m | 1,980 |
| BEAVER CREEK | Iowa | Fair | 1966 | 38.1 m | 1,978 |
| ENGLISH CREEK | Iowa | Good | 1987 | 7.3 m | 1,970 |
| LIME CREEK | Iowa | Fair | 1931 | 18.9 m | 1,970 |
| E NISHNABOTNA RIVER | Iowa | Good | 1999 | 48.8 m | 1,970 |
| S. FORK IOWA RIVER | Iowa | Good | 2007 | 40.5 m | 1,970 |
| BATTLE CREEK | Iowa | Good | 1990 | 49.7 m | 1,970 |
| STREAM | Iowa | Good | 2007 | 7.9 m | 1,970 |
| STREAM | Iowa | Good | 2007 | 6.4 m | 1,970 |
| STREAM | Iowa | Fair | 1978 | 7.6 m | 1,970 |
| RAPID CREEK | Iowa | Fair | 1975 | 46.9 m | 1,970 |
| POLLY CREEK | Iowa | Fair | 1950 | 11.0 m | 1,970 |
| WOLF CREEK | Iowa | Fair | 1978 | 46.9 m | 1,968 |
| ROCK CREEK | Iowa | Fair | 1971 | 12.5 m | 1,964 |
| DRAINAGE DITCH | Iowa | Fair | 1929 | 14.3 m | 1,960 |
| WAPSIPINICON RIVER | Iowa | Fair | 1940 | 131.4 m | 1,960 |
| WAPSIPINICON OVERFLOW | Iowa | Good | 1990 | 42.1 m | 1,960 |
| BUCK CREEK | Iowa | Good | 2018 | 50.8 m | 1,960 |
| FORK LITTLE SIOUX RIVER | Iowa | Fair | 1952 | 13.4 m | 1,960 |
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.