Browse Bridge Database

8,990 bridges in the FHWA National Bridge Inventory in Colorado.

National Bridge Inventory Database

Browse 8,990 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

Clear
BridgeLocationConditionYear BuiltLengthADT
BENTEN ARROYO Colorado Fair 2002 48.8 m 320
Draw Colorado Good 2002 12.5 m 320
CROOKED ARROYO Colorado Fair 1935 34.6 m 320
DRAW Colorado Fair 1935 21.5 m 320
MIDDLE FK PURGATOIRE RVR Colorado Fair 1938 14.9 m 320
WHISKEY CREEK Colorado Fair 1937 10.1 m 320
MIDDLE FK PURGATOIRE RVR Colorado Fair 1938 14.9 m 320
N FK PURGATOIRE RIVER Colorado Good 2024 25.5 m 320
TIMPAS CREEK Colorado Fair 1975 46.5 m 319
South Boulder Creek Colorado Fair 1988 11.6 m 318
Local Drainage Colorado Good 2005 9.6 m 318
WILLOW CREEK Colorado Fair 1988 8.6 m 318
BRANCH OF LANDSMAN CREEK Colorado Fair 1959 9.4 m 318
SANDERSON GULCH Colorado Good 2002 10.4 m 317
N. FORK ST.CHARLES RIVER Colorado Fair 1991 29.0 m 317
St. Vrain Supply Canal Colorado Fair 1997 16.5 m 316
HAPPY CANYON CREEK Colorado Good 1989 21.3 m 316
HIGHLINE CANAL Colorado Fair 1975 10.0 m 316
E. BIJOU CREEK Colorado Fair 1965 45.7 m 315
Jackson Ditch Colorado Fair 1962 13.7 m 315
LOCAL DRAINAGE Colorado Fair 1984 6.4 m 314
GOVT. HIGHLINE CANAL Colorado Fair 1986 13.9 m 314
WILEY DRAINAGE Colorado Fair 1960 12.4 m 314
UNNAMED DRAIN Colorado Poor 1975 9.1 m 314
Sterling Ditch No 1 Colorado Good 1994 7.3 m 313
Big Dry Creek Colorado Fair 1970 15.1 m 313
Little Thompson River Colorado Good 1989 27.6 m 311
NORTH FORK GUNNISON RVR Colorado Fair 1930 38.6 m 310
Local Drainage Colorado Poor 1901 6.6 m 309
GOVNMENT HIGHLINE CANAL Colorado Good 2017 27.5 m 309
Trout Creek Colorado Fair 1985 22.6 m 308
FOUR MILE CREEK Colorado Fair 1989 18.3 m 308
N. Sterling Outlet Canal Colorado Fair 1989 16.7 m 308
Weldon Valley Ditch Colorado Good 2019 9.4 m 308
Catlin Canal Colorado Good 2020 9.7 m 306
DRY CREEK Colorado Fair 1947 9.9 m 305
SAND CREEK Colorado Fair 1950 12.2 m 305
Larimer County Canal Colorado Good 2017 19.3 m 305
LOCAL DRAINAGE Colorado Good 2000 8.2 m 304
EAST SALT CREEK Colorado Fair 1990 18.4 m 304
CATLIN CANAL Colorado Fair 1994 21.8 m 304
Collins Lateral Ditch Colorado Fair 1957 9.2 m 304
Larimer and Weld Canal Colorado Poor 1930 12.8 m 304
LAKE FORK GUNNISON RIVER Colorado Fair 1994 21.3 m 303
DRAINAGE Colorado Good 1999 7.9 m 303
Fortification Creek Colorado Fair 1987 20.4 m 303
Pawnee Ditch Colorado Fair 1996 12.2 m 302
Wildcat Creek Colorado Fair 2020 19.5 m 302
RUNNING CREEK Colorado Good 1990 26.0 m 301
LANDSMAN CREEK Colorado Fair 1972 23.9 m 301

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.