US Bridges

County Road over Lake Fork Creek

Fair

Duchesne County, Utah · 2.5 Miles West of Altonah · Structure no. 013019F

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
189
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Lake Fork Creek is a prestressed concrete tee beam carrying County Road over Lake Fork Creek in Duchesne County, Utah. It was built in 1992, so it is 33 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 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 189 vehicles a day, roughly 1% of them trucks, projected to reach 230 by 2030. The structure is 61 ft (18.6 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty Road
CrossesLake Fork Creek
Location2.5 Miles West of Altonah
RouteCounty Highway 1572
CountyDuchesne County
StateUtah
Coordinates40.40306, -110.34389
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span58 ft (17.8 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2010)
Projected traffic230 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road over Lake Fork 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 April 2024.

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

About 189 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Lake Fork Creek?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.8 m) and a deck 20 ft wide.

Who owns County Road over Lake Fork Creek?

It is owned by the County Highway Agency.