US Bridges

I-70 (SR-70) Wbl over San Rafael River

Fair

Emery County, Utah · 14 Mi.West of Green River · Structure no. 4F 173

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
5,048
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Wbl over San Rafael River is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over San Rafael River in Emery County, Utah. It was built in 1973, so it is 52 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 2043. The structure is 211 ft (64.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-70 (SR-70) Wbl
CrossesSan Rafael River
Location14 Mi.West of Green River
RouteInterstate 70
CountyEmery County
StateUtah
Coordinates38.92341, -110.40308
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length211 ft (64.2 m)
Longest span70 ft (21.2 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,048 (2023)
Projected traffic6,058 by 2043
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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) Wbl over San Rafael River built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-70 (SR-70) Wbl over San Rafael River 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) Wbl over San Rafael River carry?

About 5,048 vehicles per day (2023 count), of which roughly 42% are trucks.

How long is I-70 (SR-70) Wbl over San Rafael River?

The structure is 211 ft (64.2 m) long with a longest span of 70 ft (21.2 m) and a deck 44 ft wide.

Who owns I-70 (SR-70) Wbl over San Rafael River?

It is owned by the State Highway Agency.