US Bridges

US-40 (SR-40) over Bridgeland-Myton Wash

Fair

Duchesne County, Utah · 13.8 Mi.East of Duchesne · Structure no. 0E 966

Built
1954
71 years old, rebuilt 2004
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
6,810
2014 count
Owner
State
State Highway Agency

About this bridge

US-40 (SR-40) over Bridgeland-Myton Wash is a concrete continuous culvert carrying US-40 (SR-40) over Bridgeland-Myton Wash in Duchesne County, Utah. It was built in 1954 and reconstructed in 2004, so it is 71 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 6,810 vehicles a day, roughly 37% of them trucks, projected to reach 8,513 by 2034. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUS-40 (SR-40)
CrossesBridgeland-Myton Wash
Location13.8 Mi.East of Duchesne
RouteU.S. Route 40
CountyDuchesne County
StateUtah
Coordinates40.16583, -110.15222
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,810 (2014)
Projected traffic8,513 by 2034
Trucks37%
Lanes on structure2
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 Bridgeland-Myton Wash built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2004.

What condition is US-40 (SR-40) over Bridgeland-Myton Wash 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 Bridgeland-Myton Wash carry?

About 6,810 vehicles per day (2014 count), of which roughly 37% are trucks.

How long is US-40 (SR-40) over Bridgeland-Myton Wash?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns US-40 (SR-40) over Bridgeland-Myton Wash?

It is owned by the State Highway Agency.