US Bridges

County Road 11 over Snowmass Divide Creek

Fair

Pitkin County, Colorado · 1.5 MI S of HWY 82 · Structure no. PIT-011-01.2A

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
1,675
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 11 over Snowmass Divide Creek is a prestressed concrete tee beam carrying County Road 11 over Snowmass Divide Creek in Pitkin County, Colorado. It was built in 1985, so it is 40 years old, younger 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 1,675 vehicles a day, roughly 5% of them trucks, projected to reach 1,843 by 2042. The structure is 64 ft (19.5 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCounty Road 11
CrossesSnowmass Divide Creek
Location1.5 MI S of HWY 82
RouteCounty Highway 0
CountyPitkin County
StateColorado
Coordinates39.31442, -106.98155
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating62.7 US tons
Inventory rating42.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,675 (2022)
Projected traffic1,843 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 11 over Snowmass Divide Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 11 over Snowmass Divide 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 May 2024.

How much traffic does County Road 11 over Snowmass Divide Creek carry?

About 1,675 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 11 over Snowmass Divide Creek?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 27 ft wide.

Who owns County Road 11 over Snowmass Divide Creek?

It is owned by the County Highway Agency.