US Bridges

Elkhorn Loop over Power Plant Canal

Fair

Duchesne County, Utah · .1 MI E JCT 10118 · Structure no. 040103000001010

Built
1982
43 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
30
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Elkhorn Loop over Power Plant Canal is a wood or timber stringer/multi-beam or girder carrying Elkhorn Loop over Power Plant Canal in Duchesne County, Utah. It was built in 1982, so it is 43 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 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 30 vehicles a day, projected to reach 8 by 2010. The structure is 40 ft (12.2 m) long and 15 ft wide. If it were closed, the detour would be 36.7 mi (59 km).

Location

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CarriesElkhorn Loop
CrossesPower Plant Canal
Location.1 MI E JCT 10118
RouteFederal Lands Road 10117
CountyDuchesne County
StateUtah
Coordinates40.59219, -110.1119
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2018)
Projected traffic8 by 2010
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36.7 mi (59 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 Elkhorn Loop over Power Plant Canal built?

It was built in 1982, making it 43 years old in 2025.

What condition is Elkhorn Loop over Power Plant Canal 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 2022.

How much traffic does Elkhorn Loop over Power Plant Canal carry?

About 30 vehicles per day (2018 count).

How long is Elkhorn Loop over Power Plant Canal?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 15 ft wide.

Who owns Elkhorn Loop over Power Plant Canal?

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