US Bridges

SR-171 3300 South over I-215 NB and SB

Fair

Salt Lake County, Utah · At 3300 So.Int.With I-215 · Structure no. 0C 968

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
1 main span
Daily traffic
22,555
2014 count
Owner
State
State Highway Agency

About this bridge

SR-171 3300 South over I-215 NB and SB is a steel stringer/multi-beam or girder carrying SR-171 3300 South over I-215 NB and SB in Salt Lake County, Utah. It was built in 2008, so it is 17 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 22,555 vehicles a day, roughly 5% of them trucks, projected to reach 28,194 by 2034. The structure is 155 ft (47.1 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSR-171 3300 South
CrossesI-215 NB and SB
LocationAt 3300 So.Int.With I-215
RouteState Highway 171
CountySalt Lake County
StateUtah
Coordinates40.69974, -111.79562
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length155 ft (47.1 m)
Longest span153 ft (46.6 m)
Deck width72 ft (21.9 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,555 (2014)
Projected traffic28,194 by 2034
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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-171 3300 South over I-215 NB and SB built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR-171 3300 South over I-215 NB and 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 August 2024.

How much traffic does SR-171 3300 South over I-215 NB and SB carry?

About 22,555 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is SR-171 3300 South over I-215 NB and SB?

The structure is 155 ft (47.1 m) long with a longest span of 153 ft (46.6 m) and a deck 72 ft wide.

Who owns SR-171 3300 South over I-215 NB and SB?

It is owned by the State Highway Agency.