US Bridges

Rock Creek over Rock Creek

Fair

Duchesne County, Utah · No Data Entered · Structure no. 040104000001021

Built
1961
64 years old, rebuilt 1978
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
84 ft
3 main spans
Daily traffic
20
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Rock Creek over Rock Creek is a steel continuous stringer/multi-beam or girder carrying Rock Creek over Rock Creek in Duchesne County, Utah. It was built in 1961 and reconstructed in 1978, so it is 64 years old, older than the Utah average of 40.1 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 20 vehicles a day, projected to reach 25 by 2010. The structure is 84 ft (25.6 m) long and 30 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

Location

Open in Google Maps
CarriesRock Creek
CrossesRock Creek
LocationNo Data Entered
RouteFederal Lands Road 10134
CountyDuchesne County
StateUtah
Coordinates40.53258, -110.62362
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadH 20
Structure length84 ft (25.6 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1992)
Projected traffic25 by 2010
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Creek over Rock Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1978.

What condition is Rock Creek over Rock 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 September 2024.

How much traffic does Rock Creek over Rock Creek carry?

About 20 vehicles per day (1992 count).

How long is Rock Creek over Rock Creek?

The structure is 84 ft (25.6 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Rock Creek over Rock Creek?

It is owned by the U.S. Forest Service.