US Bridges

Whiterock Ave over Coal Creek

Good

Gunnison County, Colorado · In City of Crested Butte · Structure no. CR.BUTTE-WHITE

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
1,167
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Whiterock Ave over Coal Creek is a steel stringer/multi-beam or girder carrying Whiterock Ave over Coal Creek in Gunnison County, Colorado. It was built in 1992, so it is 33 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,167 vehicles a day, roughly 2% of them trucks, projected to reach 1,353 by 2042. The structure is 48 ft (14.6 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWhiterock Ave
CrossesCoal Creek
LocationIn City of Crested Butte
RouteCity Street 0
Coordinates38.86797, -106.9903
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span44 ft (13.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deck55 ft (16.8 m)

Traffic and service

Average daily traffic1,167 (2022)
Projected traffic1,353 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Whiterock Ave over Coal Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Whiterock Ave over Coal Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Whiterock Ave over Coal Creek carry?

About 1,167 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Whiterock Ave over Coal Creek?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.3 m) and a deck 34 ft wide.

Who owns Whiterock Ave over Coal Creek?

It is owned by the Town or Township Highway Agency.