US Bridges

US-40 (SR-40) over Antelope Creek

Fair

Duchesne County, Utah · 10.7MI.EAST of Duchesne · Structure no. 0F 690

Built
2004
21 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
5,510
2017 count
Owner
State
State Highway Agency

About this bridge

US-40 (SR-40) over Antelope Creek is a prestressed concrete stringer/multi-beam or girder carrying US-40 (SR-40) over Antelope Creek in Duchesne County, Utah. It was built in 2004, so it is 21 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 5,510 vehicles a day, roughly 37% of them trucks, projected to reach 6,612 by 2037. The structure is 65 ft (19.8 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesUS-40 (SR-40)
CrossesAntelope Creek
Location10.7MI.EAST of Duchesne
RouteU.S. Route 40
CountyDuchesne County
StateUtah
Coordinates40.15472, -110.20722
Functional classRural Principal Arterial - Other

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,510 (2017)
Projected traffic6,612 by 2037
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-40 (SR-40) over Antelope Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is US-40 (SR-40) over Antelope 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 July 2023.

How much traffic does US-40 (SR-40) over Antelope Creek carry?

About 5,510 vehicles per day (2017 count), of which roughly 37% are trucks.

How long is US-40 (SR-40) over Antelope Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.1 m) and a deck 47 ft wide.

Who owns US-40 (SR-40) over Antelope Creek?

It is owned by the State Highway Agency.