US Bridges

SR-31 over Brockbank Hollow Wash

Good

Emery County, Utah · 3.0 Mi. W. of Huntington · Structure no. 0E2377

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
7,096
2022 count
Owner
State
State Highway Agency

About this bridge

SR-31 over Brockbank Hollow Wash is a concrete culvert carrying SR-31 over Brockbank Hollow Wash in Emery County, Utah. It was built in 1993, so it is 32 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,096 vehicles a day, roughly 39% of them trucks, projected to reach 8,515 by 2042. The structure is 30 ft (9 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-31
CrossesBrockbank Hollow Wash
Location3.0 Mi. W. of Huntington
RouteState Highway 31
StateUtah
Coordinates39.35769, -111.02964
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating52.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,096 (2022)
Projected traffic8,515 by 2042
Trucks39%
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 Brockbank Hollow Wash built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR-31 over Brockbank Hollow Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does SR-31 over Brockbank Hollow Wash carry?

About 7,096 vehicles per day (2022 count), of which roughly 39% are trucks.

How long is SR-31 over Brockbank Hollow Wash?

The structure is 30 ft (9 m) long with a longest span of 13 ft (4 m).

Who owns SR-31 over Brockbank Hollow Wash?

It is owned by the State Highway Agency.