US Bridges

SR-10 over Rock Canyon Wash

Good

Emery County, Utah · 5 Mi. South of Castledale · Structure no. 0V1712

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
48 ft
2 main spans
Daily traffic
7,907
2021 count
Owner
State
State Highway Agency

About this bridge

SR-10 over Rock Canyon Wash is a steel culvert carrying SR-10 over Rock Canyon Wash in Emery County, Utah. It was built in 2011, so it is 14 years old, younger 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 48 ft (14.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-10
CrossesRock Canyon Wash
Location5 Mi. South of Castledale
RouteState Highway 10
StateUtah
Coordinates39.15278, -111.08507
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating94.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,907 (2021)
Projected traffic9,488 by 2041
Trucks45%
Lanes on structure2
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 Rock Canyon Wash built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR-10 over Rock Canyon 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 Rock Canyon Wash carry?

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

How long is SR-10 over Rock Canyon Wash?

The structure is 48 ft (14.5 m) long with a longest span of 22 ft (6.6 m).

Who owns SR-10 over Rock Canyon Wash?

It is owned by the State Highway Agency.