US Bridges

I-70 (SR-70) Wbl over County Road

Fair

Sevier County, Utah · 5.6 Mi.E.Of Sigurd Intchg · Structure no. 4F 491

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
7,166
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Wbl over County Road is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over County Road in Sevier County, Utah. It was built in 1986, so it is 39 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 7,166 vehicles a day, roughly 36% of them trucks, projected to reach 8,599 by 2043. The structure is 91 ft (27.7 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
CrossesCounty Road
Location5.6 Mi.E.Of Sigurd Intchg
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.91478, -111.88411
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span89 ft (27 m)
Deck width44 ft (13.5 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,166 (2023)
Projected traffic8,599 by 2043
Trucks36%
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 County Road built?

It was built in 1986, making it 39 years old in 2025.

What condition is I-70 (SR-70) Wbl over County 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 carry?

About 7,166 vehicles per day (2023 count), of which roughly 36% are trucks.

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

The structure is 91 ft (27.7 m) long with a longest span of 89 ft (27 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.