US Bridges

SR-7 Southern Pky. over Fort Pierce Wash

Fair

Washington County, Utah · Road to St.George Airport · Structure no. 1F 767

Built
2010
15 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
423 ft
3 main spans
Daily traffic
5,241
2022 count
Owner
State
State Highway Agency

About this bridge

SR-7 Southern Pky. over Fort Pierce Wash is a prestressed concrete stringer/multi-beam or girder carrying SR-7 Southern Pky. over Fort Pierce Wash in Washington County, Utah. It was built in 2010, so it is 15 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 5,241 vehicles a day, roughly 12% of them trucks, projected to reach 6,289 by 2042. The structure is 423 ft (129 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSR-7 Southern Pky.
CrossesFort Pierce Wash
LocationRoad to St.George Airport
RouteState Highway 7
CountyWashington County
StateUtah
Coordinates37.01005, -113.50431
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length423 ft (129 m)
Longest span141 ft (42.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,241 (2022)
Projected traffic6,289 by 2042
Trucks12%
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-7 Southern Pky. over Fort Pierce Wash built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR-7 Southern Pky. over Fort Pierce 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-7 Southern Pky. over Fort Pierce Wash carry?

About 5,241 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR-7 Southern Pky. over Fort Pierce Wash?

The structure is 423 ft (129 m) long with a longest span of 141 ft (42.9 m) and a deck 43 ft wide.

Who owns SR-7 Southern Pky. over Fort Pierce Wash?

It is owned by the State Highway Agency.