US Bridges

I-15 NB Off-Ramp over UPRR Tracks

Good

Weber County, Utah · South of 12th St. Intchg. · Structure no. 1F 750

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
10,578
2017 count
Owner
State
State Highway Agency

About this bridge

I-15 NB Off-Ramp over UPRR Tracks is a prestressed concrete stringer/multi-beam or girder carrying I-15 NB Off-Ramp over UPRR Tracks in Weber County, Utah. It was built in 2009, so it is 16 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 10,578 vehicles a day, roughly 34% of them trucks, projected to reach 12,694 by 2037. The structure is 125 ft (38.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 NB Off-Ramp
CrossesUPRR Tracks
LocationSouth of 12th St. Intchg.
RouteInterstate 15
CountyWeber County
StateUtah
Coordinates41.24224, -112.01493
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length125 ft (38.2 m)
Longest span122 ft (37.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,578 (2017)
Projected traffic12,694 by 2037
Trucks34%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 NB Off-Ramp over UPRR Tracks built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-15 NB Off-Ramp over UPRR Tracks 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 August 2023.

How much traffic does I-15 NB Off-Ramp over UPRR Tracks carry?

About 10,578 vehicles per day (2017 count), of which roughly 34% are trucks.

How long is I-15 NB Off-Ramp over UPRR Tracks?

The structure is 125 ft (38.2 m) long with a longest span of 122 ft (37.2 m) and a deck 31 ft wide.

Who owns I-15 NB Off-Ramp over UPRR Tracks?

It is owned by the State Highway Agency.