US Bridges

I-15 Sbl Col-Dist. over Uta Line to West Valley

Fair

Salt Lake County, Utah · 400 W. 2250 So. So. Sl. · Structure no. 3F 654

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
226 ft
2 main spans
Daily traffic
268,370
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 Sbl Col-Dist. over Uta Line to West Valley is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15 Sbl Col-Dist. over Uta Line to West Valley 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 fair condition with a lowest component rating of 5 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 268,370 vehicles a day, roughly 15% of them trucks, projected to reach 335,463 by 2034. The structure is 226 ft (68.9 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-15 Sbl Col-Dist.
CrossesUta Line to West Valley
Location400 W. 2250 So. So. Sl.
RouteInterstate 15
StateUtah
Coordinates40.72295, -111.90542
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating57.1 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length226 ft (68.9 m)
Longest span223 ft (68 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deck19 ft (5.8 m)

Traffic and service

Average daily traffic268,370 (2014)
Projected traffic335,463 by 2034
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Sbl Col-Dist. over Uta Line to West Valley built?

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

What condition is I-15 Sbl Col-Dist. over Uta Line to West Valley 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 Sbl Col-Dist. over Uta Line to West Valley carry?

About 268,370 vehicles per day (2014 count), of which roughly 15% are trucks.

How long is I-15 Sbl Col-Dist. over Uta Line to West Valley?

The structure is 226 ft (68.9 m) long with a longest span of 223 ft (68 m) and a deck 44 ft wide.

Who owns I-15 Sbl Col-Dist. over Uta Line to West Valley?

It is owned by the State Highway Agency.