US Bridges

I-15 (SR-15) Nbl over 8000 South St. Wasatch

Good

Salt Lake County, Utah · Wasatch Street 400 West · Structure no. 1F 647N

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
230,000
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over 8000 South St. Wasatch is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) Nbl over 8000 South St. Wasatch in Salt Lake County, Utah. It was built in 1999, so it is 26 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 230,000 vehicles a day, roughly 25% of them trucks, projected to reach 287,500 by 2034. The structure is 126 ft (38.5 m) long and 97 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-15 (SR-15) Nbl
Crosses8000 South St. Wasatch
LocationWasatch Street 400 West
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.60569, -111.90461
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 rating60.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length126 ft (38.5 m)
Longest span70 ft (21.3 m)
Deck width97 ft (29.5 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230,000 (2014)
Projected traffic287,500 by 2034
Trucks25%
Lanes on structure6
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 8000 South St. Wasatch built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-15 (SR-15) Nbl over 8000 South St. Wasatch 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 October 2024.

How much traffic does I-15 (SR-15) Nbl over 8000 South St. Wasatch carry?

About 230,000 vehicles per day (2014 count), of which roughly 25% are trucks.

How long is I-15 (SR-15) Nbl over 8000 South St. Wasatch?

The structure is 126 ft (38.5 m) long with a longest span of 70 ft (21.3 m) and a deck 97 ft wide.

Who owns I-15 (SR-15) Nbl over 8000 South St. Wasatch?

It is owned by the State Highway Agency.