US Bridges

I-15 (SR-15) Sbl over UPRR & South Temple

Fair

Salt Lake County, Utah · Approx. 600 W.So.Temple · Structure no. 3C 880S

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
567 ft
3 main spans
Daily traffic
136,020
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over UPRR & South Temple is a steel continuous stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over UPRR & South Temple in Salt Lake County, Utah. It was built in 2000, so it is 25 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 136,020 vehicles a day, roughly 9% of them trucks, projected to reach 170,025 by 2034. The structure is 567 ft (172.9 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-15 (SR-15) Sbl
CrossesUPRR & South Temple
LocationApprox. 600 W.So.Temple
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.76973, -111.91161
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length567 ft (172.9 m)
Longest span217 ft (66 m)
Deck width86 ft (26.3 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136,020 (2014)
Projected traffic170,025 by 2034
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 UPRR & South Temple built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-15 (SR-15) Sbl over UPRR & South Temple 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 July 2024.

How much traffic does I-15 (SR-15) Sbl over UPRR & South Temple carry?

About 136,020 vehicles per day (2014 count), of which roughly 9% are trucks.

How long is I-15 (SR-15) Sbl over UPRR & South Temple?

The structure is 567 ft (172.9 m) long with a longest span of 217 ft (66 m) and a deck 86 ft wide.

Who owns I-15 (SR-15) Sbl over UPRR & South Temple?

It is owned by the State Highway Agency.