US Bridges

I-215 (SR-215) Nbl over SR-171 (3500 South St)

Fair

Salt Lake County, Utah · 3500 South Int.-W.Valley · Structure no. 1C 520

Built
1975
50 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
3 main spans
Daily traffic
96,980
2014 count
Owner
State
State Highway Agency

About this bridge

I-215 (SR-215) Nbl over SR-171 (3500 South St) is a steel continuous stringer/multi-beam or girder carrying I-215 (SR-215) Nbl over SR-171 (3500 South St) in Salt Lake County, Utah. It was built in 1975, so it is 50 years old, older 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 96,980 vehicles a day, roughly 17% of them trucks, projected to reach 121,225 by 2034. The structure is 242 ft (73.7 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-215 (SR-215) Nbl
CrossesSR-171 (3500 South St)
Location3500 South Int.-W.Valley
RouteInterstate 215
CountySalt Lake County
StateUtah
Coordinates40.69626, -111.95204
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length242 ft (73.7 m)
Longest span185 ft (56.5 m)
Deck width82 ft (25.1 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,980 (2014)
Projected traffic121,225 by 2034
Trucks17%
Lanes on structure5
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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-215 (SR-215) Nbl over SR-171 (3500 South St) built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-215 (SR-215) Nbl over SR-171 (3500 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 December 2024.

How much traffic does I-215 (SR-215) Nbl over SR-171 (3500 South St) carry?

About 96,980 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is I-215 (SR-215) Nbl over SR-171 (3500 South St)?

The structure is 242 ft (73.7 m) long with a longest span of 185 ft (56.5 m) and a deck 82 ft wide.

Who owns I-215 (SR-215) Nbl over SR-171 (3500 South St)?

It is owned by the State Highway Agency.