US Bridges

S.H. 9 over Washita River

Fair

Caddo County, Oklahoma · 4 MI E Kiowa C/L · Structure no. 213510000000000

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
4 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Washita River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 9 over Washita River in Caddo County, Oklahoma. It was built in 1986, so it is 39 years old, younger 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 1,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,560 by 2042. The structure is 402 ft (122.5 m) long and 42 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

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CarriesS.H. 9
CrossesWashita River
Location4 MI E Kiowa C/L
RouteState Highway 9
CountyCaddo County
StateOklahoma
Coordinates35.11763, -98.56507
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating82 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length402 ft (122.5 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 traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemNo

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$2.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 9 over Washita River built?

It was built in 1986, making it 39 years old in 2025.

What condition is S.H. 9 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 September 2024.

How much traffic does S.H. 9 over Washita River carry?

About 1,600 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 9 over Washita River?

The structure is 402 ft (122.5 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 9 over Washita River?

It is owned by the State Highway Agency.