US Bridges

I-70 (SR-70) Wbl over Willow Creek Access Road

Fair

Sevier County, Utah · 2.2 Mi.N.No.Richfield Int · Structure no. 4F 533

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
10,111
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Wbl over Willow Creek Access Road is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over Willow Creek Access Road in Sevier 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 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 10,111 vehicles a day, roughly 33% of them trucks, projected to reach 12,133 by 2043. The structure is 101 ft (30.8 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
CrossesWillow Creek Access Road
Location2.2 Mi.N.No.Richfield Int
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.81333, -112.05444
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span98 ft (30 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,111 (2023)
Projected traffic12,133 by 2043
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Willow Creek Access Road built?

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

What condition is I-70 (SR-70) Wbl over Willow Creek Access 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 May 2023.

How much traffic does I-70 (SR-70) Wbl over Willow Creek Access Road carry?

About 10,111 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is I-70 (SR-70) Wbl over Willow Creek Access Road?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (30 m) and a deck 44 ft wide.

Who owns I-70 (SR-70) Wbl over Willow Creek Access Road?

It is owned by the State Highway Agency.