US Bridges

SR-31 over Huntington Creek

Fair

Emery County, Utah · 21 Mi. NW of Huntington · Structure no. 0F 442

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
584
2021 count
Owner
State
State Highway Agency

About this bridge

SR-31 over Huntington Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-31 over Huntington Creek in Emery County, Utah. It was built in 1976, so it is 49 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 584 vehicles a day, roughly 31% of them trucks, projected to reach 701 by 2041. The structure is 64 ft (19.5 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-31
CrossesHuntington Creek
Location21 Mi. NW of Huntington
RouteState Highway 31
StateUtah
Coordinates39.54903, -111.16769
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span61 ft (18.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 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 1976, making it 49 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 64 ft (19.5 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.

Who owns SR-31 over Huntington Creek?

It is owned by the State Highway Agency.