US Bridges

Co.Rd. Int. X-Rd. over I-70 (SR-70)

Fair

Emery County, Utah · South Salt Wash Intchg. · Structure no. 0F 557

Built
1989
36 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
243 ft
2 main spans
Daily traffic
17
2021 count
Owner
State
State Highway Agency

About this bridge

Co.Rd. Int. X-Rd. over I-70 (SR-70) is a prestressed concrete continuous stringer/multi-beam or girder carrying Co.Rd. Int. X-Rd. over I-70 (SR-70) in Emery County, Utah. It was built in 1989, so it is 36 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 5 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 17 vehicles a day, roughly 32% of them trucks, projected to reach 20 by 2041. The structure is 243 ft (74.2 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCo.Rd. Int. X-Rd.
CrossesI-70 (SR-70)
LocationSouth Salt Wash Intchg.
RouteInterstate 70
CountyEmery County
StateUtah
Coordinates38.84202, -111.06412
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length243 ft (74.2 m)
Longest span122 ft (37.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2021)
Projected traffic20 by 2041
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed123.7 mi (199 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 Co.Rd. Int. X-Rd. over I-70 (SR-70) built?

It was built in 1989, making it 36 years old in 2025.

What condition is Co.Rd. Int. X-Rd. over I-70 (SR-70) 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 2022.

How much traffic does Co.Rd. Int. X-Rd. over I-70 (SR-70) carry?

About 17 vehicles per day (2021 count), of which roughly 32% are trucks.

How long is Co.Rd. Int. X-Rd. over I-70 (SR-70)?

The structure is 243 ft (74.2 m) long with a longest span of 122 ft (37.2 m) and a deck 35 ft wide.

Who owns Co.Rd. Int. X-Rd. over I-70 (SR-70)?

It is owned by the State Highway Agency.