US Bridges

I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB

Fair

Salt Lake County, Utah · 6400 South Interchange · Structure no. 1F 615N

Built
2000
25 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
218 ft
1 main span
Daily traffic
191,939
2022 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB is a prestressed concrete stringer/multi-beam or girder carrying I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB 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 191,939 vehicles a day, roughly 15% of them trucks, projected to reach 230,327 by 2042. The structure is 218 ft (66.4 m) long and 97 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-15 (SR-15) Nbl
CrossesI-215 WB Ramp to I-15 SB
Location6400 South Interchange
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.63586, -111.90475
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 inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length218 ft (66.4 m)
Longest span208 ft (63.4 m)
Deck width97 ft (29.5 m)
Roadway width94 ft (28.6 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic191,939 (2022)
Projected traffic230,327 by 2042
Trucks15%
Lanes on structure6
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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) Nbl over I-215 WB Ramp to I-15 SB built?

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

What condition is I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB 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 2022.

How much traffic does I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB carry?

About 191,939 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB?

The structure is 218 ft (66.4 m) long with a longest span of 208 ft (63.4 m) and a deck 97 ft wide.

Who owns I-15 (SR-15) Nbl over I-215 WB Ramp to I-15 SB?

It is owned by the State Highway Agency.