US Bridges

I-70 (SR-70) over Crescent Wash

Fair

Grand County, Utah · 0.1 Mi.West Crescent Jct. · Structure no. 0E1985

Built
1959
66 years old, rebuilt 1975
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
11,872
2022 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) over Crescent Wash is a concrete continuous culvert carrying I-70 (SR-70) over Crescent Wash in Grand County, Utah. It was built in 1959 and reconstructed in 1975, so it is 66 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 11,872 vehicles a day, roughly 42% of them trucks, projected to reach 14,246 by 2042. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesI-70 (SR-70)
CrossesCrescent Wash
Location0.1 Mi.West Crescent Jct.
RouteInterstate 70
CountyGrand County
StateUtah
Coordinates38.94147, -109.82144
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating0 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,872 (2022)
Projected traffic14,246 by 2042
Trucks42%
Lanes on structure6
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 Crescent Wash built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1975.

What condition is I-70 (SR-70) over Crescent 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 September 2023.

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

About 11,872 vehicles per day (2022 count), of which roughly 42% are trucks.

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

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns I-70 (SR-70) over Crescent Wash?

It is owned by the State Highway Agency.