US Bridges

I-70 (SR-70) Wbl over Sevier River & Co. R

Fair

Sevier County, Utah · 1.2 Mi.E.Of Sigurd Intchg · Structure no. 4F 489

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

About this bridge

I-70 (SR-70) Wbl over Sevier River & Co. R is a prestressed concrete continuous stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over Sevier River & Co. R 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 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 7,166 vehicles a day, roughly 36% of them trucks, projected to reach 8,599 by 2043. The structure is 223 ft (68 m) long and 46 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
CrossesSevier River & Co. R
Location1.2 Mi.E.Of Sigurd Intchg
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.87993, -111.94387
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length223 ft (68 m)
Longest span116 ft (35.3 m)
Deck width46 ft (14 m)
Roadway width41 ft (12.4 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 and waterway
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 Sevier River & Co. R built?

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

What condition is I-70 (SR-70) Wbl over Sevier River & Co. R 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 Sevier River & Co. R carry?

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

How long is I-70 (SR-70) Wbl over Sevier River & Co. R?

The structure is 223 ft (68 m) long with a longest span of 116 ft (35.3 m) and a deck 46 ft wide.

Who owns I-70 (SR-70) Wbl over Sevier River & Co. R?

It is owned by the State Highway Agency.