US Bridges

I-15 (SR-15) Sbl over 900 South Street & U.P.

Fair

Salt Lake County, Utah · 550 West 900 So.St. Slc · Structure no. 3C 868S

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
566 ft
3 main spans
Daily traffic
217,800
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over 900 South Street & U.P. is a steel continuous stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over 900 South Street & U.P. 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 217,800 vehicles a day, roughly 7% of them trucks, projected to reach 272,250 by 2034. The structure is 566 ft (172.6 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-15 (SR-15) Sbl
Crosses900 South Street & U.P.
Location550 West 900 So.St. Slc
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.75012, -111.91031
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length566 ft (172.6 m)
Longest span223 ft (68.1 m)
Deck width113 ft (34.4 m)
Roadway width111 ft (33.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217,800 (2014)
Projected traffic272,250 by 2034
Trucks7%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 900 South Street & U.P. built?

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

What condition is I-15 (SR-15) Sbl over 900 South Street & U.P. 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 900 South Street & U.P. carry?

About 217,800 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is I-15 (SR-15) Sbl over 900 South Street & U.P.?

The structure is 566 ft (172.6 m) long with a longest span of 223 ft (68.1 m) and a deck 113 ft wide.

Who owns I-15 (SR-15) Sbl over 900 South Street & U.P.?

It is owned by the State Highway Agency.