US Bridges

US-40 (SR-40) over Dry Gulch Canal

Fair

Duchesne County, Utah · 1.4 Mile North of Myton · Structure no. 0E1096

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
7,815
2022 count
Owner
State
State Highway Agency

About this bridge

US-40 (SR-40) over Dry Gulch Canal is a concrete culvert carrying US-40 (SR-40) over Dry Gulch Canal in Duchesne County, Utah. It was built in 1958, so it is 67 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 7,815 vehicles a day, roughly 41% of them trucks, projected to reach 9,378 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesUS-40 (SR-40)
CrossesDry Gulch Canal
Location1.4 Mile North of Myton
RouteU.S. Route 40
CountyDuchesne County
StateUtah
Coordinates40.215, -110.0675
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,815 (2022)
Projected traffic9,378 by 2042
Trucks41%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 US-40 (SR-40) over Dry Gulch Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is US-40 (SR-40) over Dry Gulch 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 July 2023.

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

About 7,815 vehicles per day (2022 count), of which roughly 41% are trucks.

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

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.8 m).

Who owns US-40 (SR-40) over Dry Gulch Canal?

It is owned by the State Highway Agency.