US Bridges

I-15 (SR-15) Sbl over SR-267 400 South St.

Fair

Salt Lake County, Utah · 700 West 400 South St. · Structure no. 3C 875S

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
508 ft
3 main spans
Daily traffic
172,645
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) Sbl over SR-267 400 South St. is a steel continuous stringer/multi-beam or girder carrying I-15 (SR-15) Sbl over SR-267 400 South St. 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 172,645 vehicles a day, roughly 7% of them trucks, projected to reach 215,807 by 2034. The structure is 508 ft (154.9 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-15 (SR-15) Sbl
CrossesSR-267 400 South St.
Location700 West 400 South St.
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.76148, -111.91481
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length508 ft (154.9 m)
Longest span232 ft (70.8 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) Sbl over SR-267 400 South St. built?

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

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

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

How long is I-15 (SR-15) Sbl over SR-267 400 South St.?

The structure is 508 ft (154.9 m) long with a longest span of 232 ft (70.8 m) and a deck 73 ft wide.

Who owns I-15 (SR-15) Sbl over SR-267 400 South St.?

It is owned by the State Highway Agency.