US Bridges

SR-186 Sbl. over I-215 (SR-215) EB and WB

Fair

Salt Lake County, Utah · Parleys Interchange · Structure no. 3C 423

Built
1967
58 years old, rebuilt 2017
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
356 ft
4 main spans
Daily traffic
18,995
2012 count
Owner
State
State Highway Agency

About this bridge

SR-186 Sbl. over I-215 (SR-215) EB and WB is a steel stringer/multi-beam or girder carrying SR-186 Sbl. over I-215 (SR-215) EB and WB in Salt Lake County, Utah. It was built in 1967 and reconstructed in 2017, so it is 58 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 18,995 vehicles a day, roughly 7% of them trucks, projected to reach 23,744 by 2032. The structure is 356 ft (108.4 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR-186 Sbl.
CrossesI-215 (SR-215) EB and WB
LocationParleys Interchange
RouteState Highway 186
CountySalt Lake County
StateUtah
Coordinates40.71226, -111.80499
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length356 ft (108.4 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic18,995 (2012)
Projected traffic23,744 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 SR-186 Sbl. over I-215 (SR-215) EB and WB built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2017.

What condition is SR-186 Sbl. over I-215 (SR-215) EB and WB 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 August 2024.

How much traffic does SR-186 Sbl. over I-215 (SR-215) EB and WB carry?

About 18,995 vehicles per day (2012 count), of which roughly 7% are trucks.

How long is SR-186 Sbl. over I-215 (SR-215) EB and WB?

The structure is 356 ft (108.4 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns SR-186 Sbl. over I-215 (SR-215) EB and WB?

It is owned by the State Highway Agency.