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 |
|---|---|---|---|---|---|
| LITTLE BIG CREEK | Iowa | Poor | 1915 | 8.5 m | 232 |
| OLD CHANNEL CREEK | Iowa | Good | 2009 | 25.3 m | 232 |
| RIO GRANDE CREEK | Iowa | Good | 2011 | 8.8 m | 232 |
| RIO GRANDE CREEK | Iowa | Poor | 1940 | 7.0 m | 232 |
| RIO GRANDE CREEK | Iowa | Good | 1995 | 8.5 m | 232 |
| RIO GRANDE CREEK | Iowa | Good | 2011 | 8.8 m | 232 |
| STREAM | Iowa | Fair | 1984 | 24.4 m | 232 |
| DRAINAGE | Iowa | Good | 1998 | 6.4 m | 232 |
| DRAINAGE | Iowa | Poor | 1900 | 9.4 m | 232 |
| DRAINAGE | Iowa | Poor | 1940 | 6.4 m | 232 |
| APPLE CREEK | Iowa | Fair | 1989 | 11.9 m | 232 |
| DRAINAGE | Iowa | Good | 2008 | 12.8 m | 232 |
| UNNAMED CREEK | Iowa | Good | 2008 | 11.5 m | 232 |
| CANAL | Iowa | Good | 2010 | 7.6 m | 232 |
| CANAL | Iowa | Good | 2012 | 7.7 m | 232 |
| DRAINAGE DITCH #13 | Iowa | Fair | 1976 | 20.7 m | 230 |
| BOB WHITE ST. PARK | Iowa | Good | 2010 | 28.3 m | 230 |
| SMALL STREAM | Iowa | Fair | 1972 | 9.8 m | 230 |
| ENGLISH CREEK | Iowa | Fair | 1954 | 46.6 m | 230 |
| OTTER CREEK | Iowa | Fair | 1956 | 21.0 m | 230 |
| CHARITON RIVER | Iowa | Good | 1998 | 51.5 m | 230 |
| LITTLE WHITEBREAST CREEK | Iowa | Fair | 1958 | 38.7 m | 230 |
| CEDAR CREEK | Iowa | Fair | 1987 | 39.3 m | 230 |
| N. FORK LONG CREEK | Iowa | Fair | 1970 | 10.4 m | 230 |
| CREEK | Iowa | Fair | 1988 | 7.0 m | 230 |
| FARMERS CREEK | Iowa | Fair | 1988 | 7.6 m | 230 |
| S FORK MAQUOKETA RIVER | Iowa | Fair | 1987 | 114.3 m | 230 |
| CREEK | Iowa | Fair | 1987 | 26.8 m | 230 |
| WEST RAT CREEK | Iowa | Poor | 1965 | 13.1 m | 230 |
| LITTLE ROCK RIVER | Iowa | Poor | 1960 | 62.8 m | 230 |
| GRANT 5 OPEN DITCH | Iowa | Poor | 1938 | 10.1 m | 230 |
| BEAVER CREEK | Iowa | Fair | 1977 | 31.4 m | 230 |
| BIG CEDAR CK DD #41 | Iowa | Good | 2011 | 8.2 m | 230 |
| BR BIG CEDAR CK DD#21 | Iowa | Poor | 1975 | 23.8 m | 230 |
| LIZARD CREEK DD#114 | Iowa | Fair | 1982 | 8.2 m | 230 |
| BR N LIZARD CREEK | Iowa | Fair | 1982 | 7.0 m | 230 |
| WAPSINONOC CREEK | Iowa | Fair | 1976 | 8.5 m | 230 |
| LITTLE BEAR CREEK | Iowa | Fair | 1954 | 21.3 m | 230 |
| DRAINAGE DITCH | Iowa | Poor | 1960 | 39.9 m | 230 |
| LOTTS CREEK | Iowa | Good | 2004 | 39.0 m | 230 |
| GOLLS CREEK | Iowa | Good | 1991 | 7.6 m | 230 |
| BR OF CHARITON RIVER | Iowa | Good | 1998 | 11.6 m | 230 |
| SOUTH LIZARD CREEK | Iowa | Poor | 1975 | 39.0 m | 230 |
| DD NO 5 | Iowa | Fair | 1974 | 23.8 m | 230 |
| UP RR | Iowa | Good | 2009 | 46.6 m | 230 |
| WHIPPOORWILL CK | Iowa | Fair | 1951 | 73.2 m | 230 |
| LITTLE BEAVER CREEK | Iowa | Good | 2017 | 15.6 m | 230 |
| D.D.#5 | Iowa | Good | 1987 | 6.4 m | 230 |
| SUGAR CREEK | Iowa | Fair | 1958 | 63.1 m | 230 |
| CROOKED CREEK | Iowa | Poor | 1923 | 12.2 m | 230 |
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.