US Bridges

SR-8 over Halfway Wash

Fair

Washington County, Utah · West Side of St.George · Structure no. 0E2384

Built
1986
39 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
29,097
2022 count
Owner
State
State Highway Agency

About this bridge

SR-8 over Halfway Wash is a concrete continuous culvert carrying SR-8 over Halfway Wash in Washington County, Utah. It was built in 1986, so it is 39 years old, younger 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 29,097 vehicles a day, roughly 15% of them trucks, projected to reach 34,916 by 2042. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR-8
CrossesHalfway Wash
LocationWest Side of St.George
RouteState Highway 8
CountyWashington County
StateUtah
Coordinates37.12281, -113.62123
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating87.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,097 (2022)
Projected traffic34,916 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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-8 over Halfway Wash built?

It was built in 1986, making it 39 years old in 2025.

What condition is SR-8 over Halfway Wash 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 January 2023.

How much traffic does SR-8 over Halfway Wash carry?

About 29,097 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SR-8 over Halfway Wash?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns SR-8 over Halfway Wash?

It is owned by the State Highway Agency.