US Bridges

I-15 (SR-15) over Davis-Weber Canal

Fair

Davis County, Utah · In Clearfield · Structure no. 0E1901

Built
1964
61 years old, rebuilt 1972
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
143,969
2021 count
Owner
State
State Highway Agency

About this bridge

I-15 (SR-15) over Davis-Weber Canal is a concrete culvert carrying I-15 (SR-15) over Davis-Weber Canal in Davis County, Utah. It was built in 1964 and reconstructed in 1972, 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 143,969 vehicles a day, roughly 32% of them trucks, projected to reach 172,763 by 2041. The structure is 34 ft (10.4 m) long and 155 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-15 (SR-15)
CrossesDavis-Weber Canal
LocationIn Clearfield
RouteInterstate 15
CountyDavis County
StateUtah
Coordinates41.10806, -112.00861
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span34 ft (10.3 m)
Deck width155 ft (47.1 m)
Roadway width125 ft (38.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,969 (2021)
Projected traffic172,763 by 2041
Trucks32%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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) over Davis-Weber Canal built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1972.

What condition is I-15 (SR-15) over Davis-Weber Canal 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 June 2023.

How much traffic does I-15 (SR-15) over Davis-Weber Canal carry?

About 143,969 vehicles per day (2021 count), of which roughly 32% are trucks.

How long is I-15 (SR-15) over Davis-Weber Canal?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.3 m) and a deck 155 ft wide.

Who owns I-15 (SR-15) over Davis-Weber Canal?

It is owned by the State Highway Agency.