US Bridges

I-15 (SR-15) SB over 13600 North St.

Good

Box Elder County, Utah · 2 Mi. No. of Garland Int. · Structure no. 3F 518

Built
1989
36 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
195,867
2023 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) SB over 13600 North St. is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) SB over 13600 North St. in Box Elder County, Utah. It was built in 1989, so it is 36 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 195,867 vehicles a day, roughly 43% of them trucks, projected to reach 235,040 by 2043. The structure is 113 ft (34.4 m) long and 44 ft wide.

Location

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CarriesI-15 (SR-15) SB
Crosses13600 North St.
Location2 Mi. No. of Garland Int.
RouteInterstate 15
CountyBox Elder County
StateUtah
Coordinates41.75583, -112.18194
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.8 US tons
Inventory rating63.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length113 ft (34.4 m)
Longest span110 ft (33.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195,867 (2023)
Projected traffic235,040 by 2043
Trucks43%
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-15 (SR-15) SB over 13600 North St. built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-15 (SR-15) SB over 13600 North St. 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 April 2023.

How much traffic does I-15 (SR-15) SB over 13600 North St. carry?

About 195,867 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is I-15 (SR-15) SB over 13600 North St.?

The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.5 m) and a deck 44 ft wide.

Who owns I-15 (SR-15) SB over 13600 North St.?

It is owned by the State Highway Agency.