US Bridges

Stonebridge Road over Sand Hollow Wash

Fair

Washington County, Utah · NW Area of St. George · Structure no. 053016E

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
110 ft
6 main spans
Daily traffic
2,520
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stonebridge Road over Sand Hollow Wash is a concrete continuous culvert carrying Stonebridge Road over Sand Hollow Wash in Washington County, Utah. It was built in 1999, so it is 26 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 2,520 vehicles a day, roughly 10% of them trucks, projected to reach 3,062 by 2030. The structure is 110 ft (33.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStonebridge Road
CrossesSand Hollow Wash
LocationNW Area of St. George
RouteCity Street 3233
StateUtah
Coordinates37.10967, -113.62508
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating75 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20 + Mod
Structure length110 ft (33.4 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,520 (2010)
Projected traffic3,062 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Stonebridge Road over Sand Hollow Wash built?

It was built in 1999, making it 26 years old in 2025.

What condition is Stonebridge 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 Stonebridge Road over Sand Hollow Wash carry?

About 2,520 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Stonebridge Road over Sand Hollow Wash?

The structure is 110 ft (33.4 m) long with a longest span of 17 ft (5.2 m).

Who owns Stonebridge Road over Sand Hollow Wash?

It is owned by the City or Municipal Highway Agency.