US Bridges

S.H. 9 over Washita River Oflow

Fair

Caddo County, Oklahoma · 6.4 MI W JCT US 62 · Structure no. 210990000000000

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Washita River Oflow is a prestressed concrete tee beam carrying S.H. 9 over Washita River Oflow in Caddo County, Oklahoma. It was built in 1985, so it is 40 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 2,600 vehicles a day, roughly 16% of them trucks, projected to reach 4,160 by 2042. The structure is 200 ft (61 m) long and 42 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesS.H. 9
CrossesWashita River Oflow
Location6.4 MI W JCT US 62
RouteState Highway 9
CountyCaddo County
StateOklahoma
Coordinates35.08961, -98.43595
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic4,160 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1985, making it 40 years old in 2025.

What condition is S.H. 9 over Washita River Oflow 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 Oflow carry?

About 2,600 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns S.H. 9 over Washita River Oflow?

It is owned by the State Highway Agency.