US Bridges

County Road over Yellowstone Creek

Fair

Duchesne County, Utah · 3.5 Mi. Ne. Mountain Home · Structure no. 013016F

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
202
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Yellowstone Creek is a prestressed concrete tee beam carrying County Road over Yellowstone Creek in Duchesne County, Utah. It was built in 1985, so it is 40 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.

It carries about 202 vehicles a day, roughly 1% of them trucks, projected to reach 245 by 2030. The structure is 61 ft (18.6 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesYellowstone Creek
Location3.5 Mi. Ne. Mountain Home
RouteCounty Highway 0
CountyDuchesne County
StateUtah
Coordinates40.44418, -110.36421
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length61 ft (18.6 m)
Longest span56 ft (17 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2010)
Projected traffic245 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 Yellowstone Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road over Yellowstone 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 Yellowstone Creek carry?

About 202 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Yellowstone Creek?

The structure is 61 ft (18.6 m) long with a longest span of 56 ft (17 m) and a deck 22 ft wide.

Who owns County Road over Yellowstone Creek?

It is owned by the County Highway Agency.