US Bridges

Cty RD 311/FDR 801 over Clear Creek

Fair

Garfield County, Colorado · 2.5 MI from Cty RD 311 · Structure no. 021508000001296

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Cty RD 311/FDR 801 over Clear Creek is a steel stringer/multi-beam or girder carrying Cty RD 311/FDR 801 over Clear Creek in Garfield County, Colorado. It was built in 1965, so it is 60 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 6 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 40 ft (12.3 m) long and 14 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesCty RD 311/FDR 801
CrossesClear Creek
Location2.5 MI from Cty RD 311
RouteFederal Lands Road 801.1
Coordinates39.40163, -107.58017
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span35 ft (10.7 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cty RD 311/FDR 801 over Clear Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cty RD 311/FDR 801 over Clear 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 July 2023.

How much traffic does Cty RD 311/FDR 801 over Clear Creek carry?

About 50 vehicles per day (latest count).

How long is Cty RD 311/FDR 801 over Clear Creek?

The structure is 40 ft (12.3 m) long with a longest span of 35 ft (10.7 m) and a deck 14 ft wide.

Who owns Cty RD 311/FDR 801 over Clear Creek?

It is owned by the U.S. Forest Service and maintained by the County Highway Agency.