US Bridges

First Street over Coal Creek

Fair

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

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
674
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

First Street over Coal Creek is a prestressed concrete tee beam carrying First Street over Coal Creek in Gunnison County, Colorado. It was built in 1980, so it is 45 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 674 vehicles a day, roughly 2% of them trucks, projected to reach 782 by 2042. The structure is 34 ft (10.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFirst Street
CrossesCoal Creek
LocationIn City of Crested Butte
RouteCity Street 0
Coordinates38.86883, -106.98914
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span29 ft (8.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic674 (2022)
Projected traffic782 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 First Street over Coal Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is First Street over Coal Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does First Street over Coal Creek carry?

About 674 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is First Street over Coal Creek?

The structure is 34 ft (10.5 m) long with a longest span of 29 ft (8.9 m) and a deck 40 ft wide.

Who owns First Street over Coal Creek?

It is owned by the Town or Township Highway Agency.