US Bridges

SR-12 over Paria River

FairPosted for load

Garfield County, Utah · East Side of Cannonville · Structure no. 0C 281

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
206 ft
3 main spans
Daily traffic
1,160
2014 count
Owner
State
State Highway Agency

About this bridge

SR-12 over Paria River is a steel stringer/multi-beam or girder carrying SR-12 over Paria River 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,160 vehicles a day, roughly 26% of them trucks, projected to reach 1,450 by 2034. The structure is 206 ft (62.8 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-12
CrossesParia River
LocationEast Side of Cannonville
RouteState Highway 12
CountyGarfield County
StateUtah
Coordinates37.56778, -112.05167
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating39.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length206 ft (62.8 m)
Longest span82 ft (25 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,160 (2014)
Projected traffic1,450 by 2034
Trucks26%
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 Paria River built?

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

What condition is SR-12 over Paria River 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 Paria River carry?

About 1,160 vehicles per day (2014 count), of which roughly 26% are trucks.

How long is SR-12 over Paria River?

The structure is 206 ft (62.8 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns SR-12 over Paria River?

It is owned by the State Highway Agency.