US Bridges

SR-12 over Allens Wash

Fair

Garfield County, Utah · 11.4 Mi.West of Escalante · Structure no. 0E1091

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
897
2021 count
Owner
State
State Highway Agency

About this bridge

SR-12 over Allens Wash is a concrete culvert carrying SR-12 over Allens Wash in Garfield County, Utah. It was built in 1957, so it is 68 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 897 vehicles a day, roughly 29% of them trucks, projected to reach 1,076 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-12
CrossesAllens Wash
Location11.4 Mi.West of Escalante
RouteState Highway 12
CountyGarfield County
StateUtah
Coordinates37.72151, -111.78044
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating74.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic897 (2021)
Projected traffic1,076 by 2041
Trucks29%
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 Allens Wash built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR-12 over Allens 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 Allens Wash carry?

About 897 vehicles per day (2021 count), of which roughly 29% are trucks.

How long is SR-12 over Allens Wash?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m).

Who owns SR-12 over Allens Wash?

It is owned by the State Highway Agency.