US Bridges

I-15NB (SR-15) over UPRR and Williams Lane

Good

Utah County, Utah · 0.7MI.NO. of Spanish Fork · Structure no. 1F 835

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
38,001
2012 count
Owner
State
State Highway Agency

About this bridge

I-15NB (SR-15) over UPRR and Williams Lane is a prestressed concrete stringer/multi-beam or girder carrying I-15NB (SR-15) over UPRR and Williams Lane in Utah County, Utah. It was built in 2012, so it is 13 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38,001 vehicles a day, roughly 16% of them trucks, projected to reach 47,501 by 2032. The structure is 125 ft (38 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15NB (SR-15)
CrossesUPRR and Williams Lane
Location0.7MI.NO. of Spanish Fork
RouteInterstate 15
CountyUtah County
StateUtah
Coordinates40.13264, -111.64689
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length125 ft (38 m)
Longest span119 ft (36.2 m)
Deck width88 ft (26.9 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,001 (2012)
Projected traffic47,501 by 2032
Trucks16%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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-15NB (SR-15) over UPRR and Williams Lane built?

It was built in 2012, making it 13 years old in 2025.

What condition is I-15NB (SR-15) over UPRR and Williams Lane in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does I-15NB (SR-15) over UPRR and Williams Lane carry?

About 38,001 vehicles per day (2012 count), of which roughly 16% are trucks.

How long is I-15NB (SR-15) over UPRR and Williams Lane?

The structure is 125 ft (38 m) long with a longest span of 119 ft (36.2 m) and a deck 88 ft wide.

Who owns I-15NB (SR-15) over UPRR and Williams Lane?

It is owned by the State Highway Agency.