US Bridges

I-70 (SR-70).EBL over South Salt Wash

Fair

Emery County, Utah · Lone Tree Interchg. · Structure no. 2F 99

Built
1965
60 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
2 main spans
Daily traffic
3,445
2014 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70).EBL over South Salt Wash is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70).EBL over South Salt Wash in Emery County, Utah. It was built in 1965 and reconstructed in 1989, so it is 60 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 3,445 vehicles a day, roughly 48% of them trucks, projected to reach 4,307 by 2034. The structure is 107 ft (32.6 m) long and 55 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesI-70 (SR-70).EBL
CrossesSouth Salt Wash
LocationLone Tree Interchg.
RouteInterstate 70
CountyEmery County
StateUtah
Coordinates38.84384, -111.06099
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span51 ft (15.6 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,445 (2014)
Projected traffic4,307 by 2034
Trucks48%
Lanes on structure2
Traffic directionOne-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).EBL over South Salt Wash built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1989.

What condition is I-70 (SR-70).EBL over South Salt 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 2024.

How much traffic does I-70 (SR-70).EBL over South Salt Wash carry?

About 3,445 vehicles per day (2014 count), of which roughly 48% are trucks.

How long is I-70 (SR-70).EBL over South Salt Wash?

The structure is 107 ft (32.6 m) long with a longest span of 51 ft (15.6 m) and a deck 55 ft wide.

Who owns I-70 (SR-70).EBL over South Salt Wash?

It is owned by the State Highway Agency.