US Bridges

SR-40 (US-40) over Northfield Canal

Fair

Wasatch County, Utah · 3.3 Miles North of Heber · Structure no. 0E2335

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
21,035
2014 count
Owner
State
State Highway Agency

About this bridge

SR-40 (US-40) over Northfield Canal is a concrete culvert carrying SR-40 (US-40) over Northfield Canal in Wasatch County, Utah. It was built in 1989, so it is 36 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 21,035 vehicles a day, roughly 17% of them trucks, projected to reach 26,294 by 2034. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR-40 (US-40)
CrossesNorthfield Canal
Location3.3 Miles North of Heber
RouteU.S. Route 40
StateUtah
Coordinates40.56611, -111.42917
Functional classRural Principal Arterial - Other

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.8 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic21,035 (2014)
Projected traffic26,294 by 2034
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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-40 (US-40) over Northfield Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR-40 (US-40) over Northfield 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 March 2023.

How much traffic does SR-40 (US-40) over Northfield Canal carry?

About 21,035 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is SR-40 (US-40) over Northfield Canal?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.1 m).

Who owns SR-40 (US-40) over Northfield Canal?

It is owned by the State Highway Agency.