US Bridges

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

Fair

Sevier County, Utah · Sigurd Interchange · Structure no. 4F 486

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
10,111
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 (SR-70) Wbl over County Rd. Intchg.X-Road is a prestressed concrete stringer/multi-beam or girder carrying I-70 (SR-70) Wbl over County Rd. Intchg.X-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 10,111 vehicles a day, roughly 33% of them trucks, projected to reach 12,133 by 2043. The structure is 118 ft (36.1 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesI-70 (SR-70) Wbl
CrossesCounty Rd. Intchg.X-Road
LocationSigurd Interchange
RouteInterstate 70
CountySevier County
StateUtah
Coordinates38.87401, -111.9653
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.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length118 ft (36.1 m)
Longest span116 ft (35.4 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 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 Rd. Intchg.X-Road built?

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

What condition is I-70 (SR-70) Wbl over County Rd. Intchg.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 Rd. Intchg.X-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 County Rd. Intchg.X-Road?

The structure is 118 ft (36.1 m) long with a longest span of 116 ft (35.4 m) and a deck 44 ft wide.

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

It is owned by the State Highway Agency.