US Bridges

County Road over Santa Clara River

Fair

Washington County, Utah · West Side of Shivwits · Structure no. 053048F

Built
2005
20 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
475
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Santa Clara River is a prestressed concrete stringer/multi-beam or girder carrying County Road over Santa Clara River in Washington County, Utah. It was built in 2005, so it is 20 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 475 vehicles a day, roughly 4% of them trucks, projected to reach 595 by 2030. The structure is 82 ft (24.9 m) long and 31 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

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CarriesCounty Road
CrossesSanta Clara River
LocationWest Side of Shivwits
RouteCounty Highway 3184
CountyWashington County
StateUtah
Coordinates37.18994, -113.76844
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (24.9 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2010)
Projected traffic595 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Santa Clara River built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road over Santa Clara River 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 Santa Clara River carry?

About 475 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is County Road over Santa Clara River?

The structure is 82 ft (24.9 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns County Road over Santa Clara River?

It is owned by the County Highway Agency.