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.

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BridgeLocationConditionYear BuiltLengthADT
TEN MILE CREEK Colorado Good 1970 28.4 m 5,497
Dry Creek No. 1 Colorado Fair 1991 9.8 m 5,490
1st ST and UPRR Colorado Good 2013 59.8 m 5,474
RR Spur Colorado Fair 2013 46.1 m 5,474
WEIR GULCH Colorado Poor 1970 9.8 m 5,467
Ashcroft Draw Colorado Fair 1965 12.4 m 5,459
Dry Creek Colorado Good 2021 25.3 m 5,457
CHERRY CREEK Colorado Good 1989 25.1 m 5,456
MONTBELLO DITCH Colorado Fair 1999 7.6 m 5,449
Big Thompson River Colorado Good 2009 20.4 m 5,445
BIG DRY CREEK Colorado Fair 1950 12.2 m 5,444
BEAR CREEK Colorado Fair 1980 24.4 m 5,444
BIG DRY CREEK Colorado Good 2001 79.3 m 5,431
BIG DRY CREEK TRIBUTARY Colorado Good 2000 15.8 m 5,431
LOCAL DRAINAGE Colorado Fair 1986 8.6 m 5,429
WEIR GULCH Colorado Fair 1981 8.7 m 5,426
LAKEWOOD GULCH Colorado Good 2001 17.1 m 5,422
LAKEWOOD GULCH Colorado Good 1999 16.5 m 5,422
Local Drainage Colorado Good 2009 32.8 m 5,409
UNNAMED DRAW Colorado Fair 1980 30.7 m 5,402
I 25 ML Colorado Good 2021 71.0 m 5,401
DRAW Colorado Fair 1936 21.5 m 5,400
DRAW Colorado Good 2023 6.2 m 5,400
DRAW Colorado Good 2023 6.2 m 5,400
TWIN CREEK Colorado Good 1937 16.1 m 5,400
BOULDER DIVERSION CANAL Colorado Fair 1976 8.0 m 5,380
Roaring Fork River Colorado Fair 1976 51.6 m 5,353
CHANNEL MD-B SR Colorado Good 2000 7.8 m 5,338
PEDESTRIAN/SKIER Colorado Good 1990 8.1 m 5,331
Big Thompson River Colorado Good 1988 39.8 m 5,310
EAST PLUM CREEK Colorado Fair 1963 58.0 m 5,300
NORTH VETA CREEK Colorado Fair 1927 6.4 m 5,300
SELLARS GULCH Colorado Fair 1999 45.8 m 5,296
Larimer and Weld Canal Colorado Fair 1988 15.0 m 5,291
WEIR GULCH Colorado Fair 1976 8.5 m 5,284
NWP Colorado Fair 2002 80.0 m 5,282
SPRING CREEK Colorado Fair 1975 7.6 m 5,271
New Mercer Canal Colorado Good 1989 8.5 m 5,256
TEMPLETON GAP FLOODWAY Colorado Good 2009 32.6 m 5,256
ARKANSAS RIVER OVFLW Colorado Fair 1963 14.6 m 5,249
LITTLE WILLOW CREEK Colorado Poor 1985 10.1 m 5,248
CROKE CANAL Colorado Good 1995 18.6 m 5,243
ARKANSAS RIVER Colorado Fair 1963 128.2 m 5,240
MONTROSE ARROYO Colorado Good 2006 16.0 m 5,233
SPAULDING CREEK Colorado Fair 1938 13.3 m 5,200
ST CHARLES RIVER Colorado Fair 2010 59.3 m 5,200
I 76 ML Colorado Good 2015 69.5 m 5,200
DRAW Colorado Poor 1934 31.3 m 5,200
ALAMOSA CREEK Colorado Fair 1959 32.9 m 5,200
GRAPE CREEK Colorado Fair 1936 35.5 m 5,200

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.