US Bridges

SR-12 over Butch Cassidy Wash

Fair

Garfield County, Utah · 5 Mi.E.Bryce Canyon Jct. · Structure no. 0E1854

Built
1971
54 years old, rebuilt 2001
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,099
2022 count
Owner
State
State Highway Agency

About this bridge

SR-12 over Butch Cassidy Wash is a concrete culvert carrying SR-12 over Butch Cassidy Wash in Garfield County, Utah. It was built in 1971 and reconstructed in 2001, so it is 54 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 3,099 vehicles a day, roughly 22% of them trucks, projected to reach 3,719 by 2042. The structure is 23 ft (7 m) long and 41 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-12
CrossesButch Cassidy Wash
Location5 Mi.E.Bryce Canyon Jct.
RouteState Highway 12
CountyGarfield County
StateUtah
Coordinates37.73976, -112.29612
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span21 ft (6.3 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,099 (2022)
Projected traffic3,719 by 2042
Trucks22%
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-12 over Butch Cassidy Wash built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2001.

What condition is SR-12 over Butch Cassidy 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 April 2023.

How much traffic does SR-12 over Butch Cassidy Wash carry?

About 3,099 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR-12 over Butch Cassidy Wash?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.3 m) and a deck 41 ft wide.

Who owns SR-12 over Butch Cassidy Wash?

It is owned by the State Highway Agency.