US Bridges

SR-31 over Huntington Creek

Fair

Emery County, Utah · 16 Mi. Nw. of Huntington · Structure no. 0D 810

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
584
2021 count
Owner
State
State Highway Agency

About this bridge

SR-31 over Huntington Creek is a concrete frame carrying SR-31 over Huntington Creek in Emery County, Utah. It was built in 1961, so it is 64 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 584 vehicles a day, roughly 31% of them trucks, projected to reach 701 by 2041. The structure is 25 ft (7.6 m) long and 59 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-31
CrossesHuntington Creek
Location16 Mi. Nw. of Huntington
RouteState Highway 31
CountyEmery County
StateUtah
Coordinates39.47958, -111.15822
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: 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 rating86.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span22 ft (6.8 m)
Deck width59 ft (18 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic584 (2021)
Projected traffic701 by 2041
Trucks31%
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-31 over Huntington Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR-31 over Huntington Creek 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 August 2023.

How much traffic does SR-31 over Huntington Creek carry?

About 584 vehicles per day (2021 count), of which roughly 31% are trucks.

How long is SR-31 over Huntington Creek?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.8 m) and a deck 59 ft wide.

Who owns SR-31 over Huntington Creek?

It is owned by the State Highway Agency.