US Bridges

SR-7; So. Parkway over Washington Dam Road

Fair

Washington County, Utah · Washington Dam Road · Structure no. 0F 846

Built
2013
12 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
7,382
2021 count
Owner
State
State Highway Agency

About this bridge

SR-7; So. Parkway over Washington Dam Road is a prestressed concrete stringer/multi-beam or girder carrying SR-7; So. Parkway over Washington Dam Road in Washington County, Utah. It was built in 2013, so it is 12 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 7,382 vehicles a day, roughly 12% of them trucks, projected to reach 8,858 by 2041. The structure is 100 ft (30.5 m) long and 89 ft wide.

Location

Open in Google Maps
CarriesSR-7; So. Parkway
CrossesWashington Dam Road
LocationWashington Dam Road
RouteState Highway 7
CountyWashington County
StateUtah
Coordinates37.11263, -113.4382
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span96 ft (29.3 m)
Deck width89 ft (27.1 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,382 (2021)
Projected traffic8,858 by 2041
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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; So. Parkway over Washington Dam Road built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR-7; So. Parkway over Washington Dam Road 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; So. Parkway over Washington Dam Road carry?

About 7,382 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR-7; So. Parkway over Washington Dam Road?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.3 m) and a deck 89 ft wide.

Who owns SR-7; So. Parkway over Washington Dam Road?

It is owned by the State Highway Agency.