US Bridges

I-15 (SR-15) Sbl over 8000 South St.(wasatch)

Fair

Salt Lake County, Utah · 400 W.8000 So.In Midvale · Structure no. 3F 647S

Built
1998
27 years old, rebuilt 2009
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
230,000
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over 8000 South St.(wasatch) is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over 8000 South St.(wasatch) in Salt Lake County, Utah. It was built in 1998 and reconstructed in 2009, so it is 27 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 (SR-15) Sbl
Crosses8000 South St.(wasatch)
Location400 W.8000 So.In Midvale
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.60618, -111.90545
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating67.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length126 ft (38.5 m)
Longest span70 ft (21.3 m)
Deck width109 ft (33.2 m)
Roadway width106 ft (32.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230,000 (2014)
Projected traffic287,500 by 2034
Trucks25%
Lanes on structure7
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) Sbl over 8000 South St.(wasatch) built?

It was built in 1998, making it 27 years old in 2025. It was reconstructed in 2009.

What condition is I-15 (SR-15) Sbl over 8000 South St.(wasatch) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does I-15 (SR-15) Sbl 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) Sbl 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 109 ft wide.

Who owns I-15 (SR-15) Sbl over 8000 South St.(wasatch)?

It is owned by the State Highway Agency.