US Bridges

I-15 (SR-15) Sbl over 7800 South St. Center ST

Good

Salt Lake County, Utah · 400 W.7800 So.In Midvale · Structure no. 3F 648S

Built
1998
27 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
194 ft
3 main spans
Daily traffic
195,457
2023 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over 7800 South St. Center ST is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over 7800 South St. Center ST in Salt Lake County, Utah. It was built in 1998, 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 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 195,457 vehicles a day, roughly 22% of them trucks, projected to reach 234,548 by 2043. The structure is 194 ft (59.2 m) long and 105 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-15 (SR-15) Sbl
Crosses7800 South St. Center ST
Location400 W.7800 So.In Midvale
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.61124, -111.90617
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length194 ft (59.2 m)
Longest span98 ft (29.9 m)
Deck width105 ft (31.9 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195,457 (2023)
Projected traffic234,548 by 2043
Trucks22%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 7800 South St. Center ST built?

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

What condition is I-15 (SR-15) Sbl over 7800 South St. Center ST 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 2022.

How much traffic does I-15 (SR-15) Sbl over 7800 South St. Center ST carry?

About 195,457 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-15 (SR-15) Sbl over 7800 South St. Center ST?

The structure is 194 ft (59.2 m) long with a longest span of 98 ft (29.9 m) and a deck 105 ft wide.

Who owns I-15 (SR-15) Sbl over 7800 South St. Center ST?

It is owned by the State Highway Agency.