US Bridges

S.H. 34 over Buffalo Creek

Good

Harper County, Oklahoma · 12.8 N Woodward C/L · Structure no. 303660000000000

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
390 ft
3 main spans
Daily traffic
370
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 34 over Buffalo Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 34 over Buffalo Creek in Harper County, Oklahoma. It was built in 2016, so it is 9 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 370 vehicles a day, roughly 16% of them trucks, projected to reach 592 by 2042. The structure is 390 ft (118.9 m) long and 42 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesS.H. 34
CrossesBuffalo Creek
Location12.8 N Woodward C/L
RouteState Highway 34
Coordinates36.77005, -99.36696
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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length390 ft (118.9 m)
Longest span130 ft (39.6 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)
Projected traffic592 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 34 over Buffalo Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is S.H. 34 over Buffalo Creek 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 Buffalo Creek carry?

About 370 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 34 over Buffalo Creek?

The structure is 390 ft (118.9 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.

Who owns S.H. 34 over Buffalo Creek?

It is owned by the State Highway Agency.