US Bridges

S.H. 33 over Washita River Oflow

Good

Roger Mills County, Oklahoma · 3.2 MI W JCT S.H. 34 · Structure no. 284450000000000

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
6 main spans
Daily traffic
850
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 33 over Washita River Oflow is a prestressed concrete stringer/multi-beam or girder carrying S.H. 33 over Washita River Oflow in Roger Mills County, Oklahoma. It was built in 2008, so it is 17 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 10% of them trucks, projected to reach 1,360 by 2042. The structure is 360 ft (109.7 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesS.H. 33
CrossesWashita River Oflow
Location3.2 MI W JCT S.H. 34
RouteState Highway 33
CountyRoger Mills County
StateOklahoma
Coordinates35.65145, -99.43252
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.1 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length360 ft (109.7 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic1,360 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed31.1 mi (50 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$6.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 33 over Washita River Oflow built?

It was built in 2008, making it 17 years old in 2025.

What condition is S.H. 33 over Washita River Oflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does S.H. 33 over Washita River Oflow carry?

About 850 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is S.H. 33 over Washita River Oflow?

The structure is 360 ft (109.7 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns S.H. 33 over Washita River Oflow?

It is owned by the State Highway Agency.