US Bridges

SR-9 over Coal Pit Wash

Fair

Washington County, Utah · 6.8 Miles East of Virgin · Structure no. 0F 485

Built
1984
41 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
1,860
2014 count
Owner
State
State Highway Agency

About this bridge

SR-9 over Coal Pit Wash is a prestressed concrete stringer/multi-beam or girder carrying SR-9 over Coal Pit Wash in Washington County, Utah. It was built in 1984, so it is 41 years old, older 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 1,860 vehicles a day, roughly 21% of them trucks, projected to reach 2,325 by 2034. The structure is 101 ft (30.8 m) long and 46 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-9
CrossesCoal Pit Wash
Location6.8 Miles East of Virgin
RouteState Highway 9
CountyWashington County
StateUtah
Coordinates37.17079, -113.08321
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span98 ft (30 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,860 (2014)
Projected traffic2,325 by 2034
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-9 over Coal Pit Wash built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR-9 over Coal Pit 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 2025.

How much traffic does SR-9 over Coal Pit Wash carry?

About 1,860 vehicles per day (2014 count), of which roughly 21% are trucks.

How long is SR-9 over Coal Pit Wash?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (30 m) and a deck 46 ft wide.

Who owns SR-9 over Coal Pit Wash?

It is owned by the State Highway Agency.