US Bridges

County Road over Sand Hollow Wash

Fair

Washington County, Utah · West Side of St. George · Structure no. 053075E

Built
1994
31 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
46,785
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Road over Sand Hollow Wash is a concrete culvert carrying County Road over Sand Hollow Wash in Washington County, Utah. It was built in 1994, so it is 31 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 46,785 vehicles a day, roughly 12% of them trucks, projected to reach 51,303 by 2030. The structure is 31 ft (9.4 m) long and 100 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesCounty Road
CrossesSand Hollow Wash
LocationWest Side of St. George
RouteCounty Highway 3184
StateUtah
Coordinates37.125, -113.63111
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating67.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width100 ft (30.5 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,785 (2010)
Projected traffic51,303 by 2030
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 County Road over Sand Hollow Wash built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road over Sand Hollow 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 February 2024.

How much traffic does County Road over Sand Hollow Wash carry?

About 46,785 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is County Road over Sand Hollow Wash?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 100 ft wide.

Who owns County Road over Sand Hollow Wash?

It is owned by the City or Municipal Highway Agency.