US Bridges

County Road over Lake Fork Creek

Fair

Duchesne County, Utah · 4.5 Mi.N.Of Mountain Home · Structure no. 013015C

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
195
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Lake Fork Creek is a steel stringer/multi-beam or girder carrying County Road over Lake Fork Creek in Duchesne County, Utah. It was built in 1955, so it is 70 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 195 vehicles a day, roughly 1% of them trucks, projected to reach 237 by 2030. The structure is 72 ft (21.9 m) long and 14 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
Location4.5 Mi.N.Of Mountain Home
RouteCounty Highway 0
CountyDuchesne County
StateUtah
Coordinates40.46639, -110.38139
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length72 ft (21.9 m)
Longest span66 ft (20.1 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2010)
Projected traffic237 by 2030
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 1955, making it 70 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 195 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Lake Fork Creek?

The structure is 72 ft (21.9 m) long with a longest span of 66 ft (20.1 m) and a deck 14 ft wide.

Who owns County Road over Lake Fork Creek?

It is owned by the County Highway Agency.