US Bridges

I-15 (SR-15) over Dry Creek

Fair

Salt Lake County, Utah · At 10100 So.& I-15 Sandy · Structure no. 0E1445

Built
1964
61 years old, rebuilt 1998
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
170,285
2014 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) over Dry Creek is a concrete culvert carrying I-15 (SR-15) over Dry Creek in Salt Lake County, Utah. It was built in 1964 and reconstructed in 1998, so it is 61 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 170,285 vehicles a day, roughly 22% of them trucks, projected to reach 212,857 by 2034. The structure is 20 ft (6.1 m) long and 156 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-15 (SR-15)
CrossesDry Creek
LocationAt 10100 So.& I-15 Sandy
RouteInterstate 15
CountySalt Lake County
StateUtah
Coordinates40.56611, -111.89889
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span18 ft (5.5 m)
Deck width156 ft (47.5 m)
Roadway width156 ft (47.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170,285 (2014)
Projected traffic212,857 by 2034
Trucks22%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-15 (SR-15) over Dry Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1998.

What condition is I-15 (SR-15) over Dry Creek 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 November 2024.

How much traffic does I-15 (SR-15) over Dry Creek carry?

About 170,285 vehicles per day (2014 count), of which roughly 22% are trucks.

How long is I-15 (SR-15) over Dry Creek?

The structure is 20 ft (6.1 m) long with a longest span of 18 ft (5.5 m) and a deck 156 ft wide.

Who owns I-15 (SR-15) over Dry Creek?

It is owned by the State Highway Agency.