US Bridges

County Road over Lake Fork Canal

FairPosted for load

Duchesne County, Utah · 1.5 Miles Nw. of Altonah · Structure no. 013020C

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
66
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Lake Fork Canal is a steel stringer/multi-beam or girder carrying County Road over Lake Fork Canal in Duchesne County, Utah. It was built in 1989, so it is 36 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 66 vehicles a day, projected to reach 80 by 2030. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road
CrossesLake Fork Canal
Location1.5 Miles Nw. of Altonah
RouteCounty Highway 0
CountyDuchesne County
StateUtah
Coordinates40.41404, -110.31287
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span25 ft (7.5 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2010)
Projected traffic80 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Lake Fork Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road over Lake Fork 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 April 2024.

How much traffic does County Road over Lake Fork Canal carry?

About 66 vehicles per day (2010 count).

How long is County Road over Lake Fork Canal?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.5 m) and a deck 23 ft wide.

Who owns County Road over Lake Fork Canal?

It is owned by the County Highway Agency.