US Bridges

I-70 (SR-70) over Spotted Wolf Wash

Fair

Emery County, Utah · 15 Mi.West of Green River · Structure no. 0E1578

Built
1968
57 years old, rebuilt 1972
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
5,048
2017 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) over Spotted Wolf Wash is a concrete continuous culvert carrying I-70 (SR-70) over Spotted Wolf Wash in Emery County, Utah. It was built in 1968 and reconstructed in 1972, so it is 57 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 5,048 vehicles a day, roughly 42% of them trucks, projected to reach 6,058 by 2037. The structure is 39 ft (12 m) long and 97 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesI-70 (SR-70)
CrossesSpotted Wolf Wash
Location15 Mi.West of Green River
RouteInterstate 70
CountyEmery County
StateUtah
Coordinates38.92425, -110.41883
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length39 ft (12 m)
Longest span18 ft (5.6 m)
Deck width97 ft (29.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,048 (2017)
Projected traffic6,058 by 2037
Trucks42%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-70 (SR-70) over Spotted Wolf Wash built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1972.

What condition is I-70 (SR-70) over Spotted Wolf Wash 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 October 2023.

How much traffic does I-70 (SR-70) over Spotted Wolf Wash carry?

About 5,048 vehicles per day (2017 count), of which roughly 42% are trucks.

How long is I-70 (SR-70) over Spotted Wolf Wash?

The structure is 39 ft (12 m) long with a longest span of 18 ft (5.6 m) and a deck 97 ft wide.

Who owns I-70 (SR-70) over Spotted Wolf Wash?

It is owned by the State Highway Agency.