US Bridges

S.H. 7 over Washita River

Fair

Murray County, Oklahoma · 0.8 MI W JCT US77 · Structure no. 192730000000000

Built
1976
49 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
702 ft
6 main spans
Daily traffic
3,250
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Washita River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 7 over Washita River in Murray County, Oklahoma. It was built in 1976, so it is 49 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 3,250 vehicles a day, roughly 25% of them trucks, projected to reach 5,200 by 2042. The structure is 702 ft (214 m) long and 42 ft wide.

Location

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CarriesS.H. 7
CrossesWashita River
Location0.8 MI W JCT US77
RouteState Highway 7
CountyMurray County
StateOklahoma
Coordinates34.50457, -97.14281
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadHS 20
Structure length702 ft (214 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2022)
Projected traffic5,200 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 7 over Washita River built?

It was built in 1976, making it 49 years old in 2025.

What condition is S.H. 7 over Washita 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 S.H. 7 over Washita River carry?

About 3,250 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is S.H. 7 over Washita River?

The structure is 702 ft (214 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 7 over Washita River?

It is owned by the State Highway Agency.