US Bridges

I-15 Nbl over SR-140; Bluffdale Road

Good

Salt Lake County, Utah · 14600 South · Structure no. 1C1030

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
209 ft
1 main span
Daily traffic
153,589
2015 count
Owner
State
State Highway Agency

About this bridge

I-15 Nbl over SR-140; Bluffdale Road is a steel stringer/multi-beam or girder carrying I-15 Nbl over SR-140; Bluffdale Road in Salt Lake County, Utah. It was built in 2016, so it is 9 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 153,589 vehicles a day, roughly 6% of them trucks, projected to reach 191,987 by 2030. The structure is 209 ft (63.7 m) long and 101 ft wide.

Location

Open in Google Maps
CarriesI-15 Nbl
CrossesSR-140; Bluffdale Road
Location14600 South
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.48368, -111.89921
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 inspectionNovember 2024
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 rating67.9 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length209 ft (63.7 m)
Longest span206 ft (62.8 m)
Deck width101 ft (30.7 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153,589 (2015)
Projected traffic191,987 by 2030
Trucks6%
Lanes on structure6
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 Nbl over SR-140; Bluffdale Road built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-15 Nbl over SR-140; Bluffdale Road 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 November 2024.

How much traffic does I-15 Nbl over SR-140; Bluffdale Road carry?

About 153,589 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is I-15 Nbl over SR-140; Bluffdale Road?

The structure is 209 ft (63.7 m) long with a longest span of 206 ft (62.8 m) and a deck 101 ft wide.

Who owns I-15 Nbl over SR-140; Bluffdale Road?

It is owned by the State Highway Agency.