US Bridges

S.H. 34 over Washita River Oflow

Good

Custer County, Oklahoma · 1.6 MI N JCT S.H. 33 · Structure no. 252710000000000

Built
1997
28 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
370 ft
10 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 34 over Washita River Oflow is a steel stringer/multi-beam or girder carrying S.H. 34 over Washita River Oflow in Custer County, Oklahoma. It was built in 1997, so it is 28 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,560 by 2042. The structure is 370 ft (112.8 m) long and 42 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

Location

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CarriesS.H. 34
CrossesWashita River Oflow
Location1.6 MI N JCT S.H. 33
RouteState Highway 34
CountyCuster County
StateOklahoma
Coordinates35.66251, -99.37681
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span37 ft (11.3 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
CrossesRelief for waterway
Detour if closed47.2 mi (76 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$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 34 over Washita River Oflow built?

It was built in 1997, making it 28 years old in 2025.

What condition is S.H. 34 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 July 2024.

How much traffic does S.H. 34 over Washita River Oflow carry?

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

How long is S.H. 34 over Washita River Oflow?

The structure is 370 ft (112.8 m) long with a longest span of 37 ft (11.3 m) and a deck 42 ft wide.

Who owns S.H. 34 over Washita River Oflow?

It is owned by the State Highway Agency.