US Bridges

SR-10 over Poulsen Wash

Good

Emery County, Utah · 4.1 Miles So. Castledale · Structure no. 0E1604

Built
1951
74 years old, rebuilt 2010
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
7,907
2021 count
Owner
State
State Highway Agency

About this bridge

SR-10 over Poulsen Wash is a concrete continuous culvert carrying SR-10 over Poulsen Wash in Emery County, Utah. It was built in 1951 and reconstructed in 2010, so it is 74 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,907 vehicles a day, roughly 45% of them trucks, projected to reach 9,488 by 2041. The structure is 22 ft (6.8 m) long and 82 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-10
CrossesPoulsen Wash
Location4.1 Miles So. Castledale
RouteState Highway 10
StateUtah
Coordinates39.16036, -111.07193
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width82 ft (25 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,907 (2021)
Projected traffic9,488 by 2041
Trucks45%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-10 over Poulsen Wash built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2010.

What condition is SR-10 over Poulsen Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does SR-10 over Poulsen Wash carry?

About 7,907 vehicles per day (2021 count), of which roughly 45% are trucks.

How long is SR-10 over Poulsen Wash?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m) and a deck 82 ft wide.

Who owns SR-10 over Poulsen Wash?

It is owned by the State Highway Agency.