US Bridges

SR-12 over Water Canyon Wash

Fair

Garfield County, Utah · 4.0 Miles East Tropic JCT · Structure no. 0D 245

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
60 ft
3 main spans
Daily traffic
1,703
2017 count
Owner
State
State Highway Agency

About this bridge

SR-12 over Water Canyon Wash is a concrete tee beam carrying SR-12 over Water Canyon Wash in Garfield County, Utah. It was built in 1962, so it is 63 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 1,703 vehicles a day, roughly 18% of them trucks, projected to reach 2,044 by 2037. The structure is 60 ft (18.3 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-12
CrossesWater Canyon Wash
Location4.0 Miles East Tropic JCT
RouteState Highway 12
CountyGarfield County
StateUtah
Coordinates37.66621, -112.11025
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating44.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span36 ft (11 m)
Deck width37 ft (11.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,703 (2017)
Projected traffic2,044 by 2037
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 Water Canyon Wash built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR-12 over Water Canyon 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 Water Canyon Wash carry?

About 1,703 vehicles per day (2017 count), of which roughly 18% are trucks.

How long is SR-12 over Water Canyon Wash?

The structure is 60 ft (18.3 m) long with a longest span of 36 ft (11 m) and a deck 37 ft wide.

Who owns SR-12 over Water Canyon Wash?

It is owned by the State Highway Agency.