US Bridges

I-70 (SR-70) Wbl over County Road (int.X-Road)

Fair

Sevier County, Utah · Spring Canyon Interchange · Structure no. 4F 222

Built
1973
52 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
6,239
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Wbl over County Road (int.X-Road) is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over County Road (int.X-Road) in Sevier 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 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 6,239 vehicles a day, roughly 43% of them trucks, projected to reach 7,487 by 2043. The structure is 93 ft (28.4 m) long and 44 ft wide.

Location

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CarriesI-70 (SR-70) Wbl
CrossesCounty Road (int.X-Road)
LocationSpring Canyon Interchange
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.8787, -111.56444
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length93 ft (28.4 m)
Longest span88 ft (26.8 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,239 (2023)
Projected traffic7,487 by 2043
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 County Road (int.X-Road) built?

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

What condition is I-70 (SR-70) Wbl over County Road (int.X-Road) 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 June 2023.

How much traffic does I-70 (SR-70) Wbl over County Road (int.X-Road) carry?

About 6,239 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is I-70 (SR-70) Wbl over County Road (int.X-Road)?

The structure is 93 ft (28.4 m) long with a longest span of 88 ft (26.8 m) and a deck 44 ft wide.

Who owns I-70 (SR-70) Wbl over County Road (int.X-Road)?

It is owned by the State Highway Agency.