US Bridges

I-15 (SR-15) Nbl over SR-267 400 So. St.

Fair

Salt Lake County, Utah · 700 West 400 South St. · Structure no. 1C 875N

Built
1999
26 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
495 ft
3 main spans
Daily traffic
172,645
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Nbl over SR-267 400 So. St. is a steel continuous stringer/multi-beam or girder carrying I-15 (SR-15) Nbl over SR-267 400 So. St. 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 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 172,645 vehicles a day, roughly 7% of them trucks, projected to reach 215,807 by 2034. The structure is 495 ft (150.9 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-15 (SR-15) Nbl
CrossesSR-267 400 So. St.
Location700 West 400 South St.
RouteInterstate 15
StateUtah
Coordinates40.75977, -111.91394
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length495 ft (150.9 m)
Longest span227 ft (69.1 m)
Deck width73 ft (22.4 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172,645 (2014)
Projected traffic215,807 by 2034
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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) Nbl over SR-267 400 So. St. built?

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

What condition is I-15 (SR-15) Nbl over SR-267 400 So. St. 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) Nbl over SR-267 400 So. St. carry?

About 172,645 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is I-15 (SR-15) Nbl over SR-267 400 So. St.?

The structure is 495 ft (150.9 m) long with a longest span of 227 ft (69.1 m) and a deck 73 ft wide.

Who owns I-15 (SR-15) Nbl over SR-267 400 So. St.?

It is owned by the State Highway Agency.