US Bridges

SR-81 over Corinne Canal

Fair

Box Elder County, Utah · South of Fielding · Structure no. 0F 509

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
840
2022 count
Owner
State
State Highway Agency

About this bridge

SR-81 over Corinne Canal is a prestressed concrete box beam or girders - multiple carrying SR-81 over Corinne Canal in Box Elder County, Utah. It was built in 1983, so it is 42 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.

It carries about 840 vehicles a day, roughly 25% of them trucks, projected to reach 1,008 by 2042. The structure is 72 ft (21.9 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR-81
CrossesCorinne Canal
LocationSouth of Fielding
RouteState Highway 81
StateUtah
Coordinates41.79389, -112.11583
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length72 ft (21.9 m)
Longest span66 ft (20.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2022)
Projected traffic1,008 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-81 over Corinne Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR-81 over Corinne Canal 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-81 over Corinne Canal carry?

About 840 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is SR-81 over Corinne Canal?

The structure is 72 ft (21.9 m) long with a longest span of 66 ft (20.1 m) and a deck 44 ft wide.

Who owns SR-81 over Corinne Canal?

It is owned by the State Highway Agency.