US Bridges

I-15 (SR-15) Nbl over County Rd.To Wide Canyon

Fair

Juab County, Utah · 10 Mi.No.Mills Jct.Intchg · Structure no. 1F 437

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
34,167
2022 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over County Rd.To Wide Canyon is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) Nbl over County Rd.To Wide Canyon in Juab County, Utah. It was built in 1984, so it is 41 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 34,167 vehicles a day, roughly 32% of them trucks, projected to reach 41,000 by 2042. The structure is 78 ft (23.8 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-15 (SR-15) Nbl
CrossesCounty Rd.To Wide Canyon
Location10 Mi.No.Mills Jct.Intchg
RouteInterstate 15
CountyJuab County
StateUtah
Coordinates39.62359, -111.90512
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 inspectionMarch 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 rating74 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length78 ft (23.8 m)
Longest span75 ft (23 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,167 (2022)
Projected traffic41,000 by 2042
Trucks32%
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-15 (SR-15) Nbl over County Rd.To Wide Canyon built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-15 (SR-15) Nbl over County Rd.To Wide Canyon 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 March 2023.

How much traffic does I-15 (SR-15) Nbl over County Rd.To Wide Canyon carry?

About 34,167 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is I-15 (SR-15) Nbl over County Rd.To Wide Canyon?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (23 m) and a deck 44 ft wide.

Who owns I-15 (SR-15) Nbl over County Rd.To Wide Canyon?

It is owned by the State Highway Agency.