US Bridges

S.H. 6 over North Fork of Red River

Good

Greer County, Oklahoma · Greer & Kiowa C/L · Structure no. 276900000000000

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,000 ft
10 main spans
Daily traffic
550
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 6 over North Fork of Red River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 6 over North Fork of Red River in Greer County, Oklahoma. It was built in 2006, so it is 19 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 550 vehicles a day, roughly 16% of them trucks, projected to reach 880 by 2042. The structure is 1,000 ft (304.8 m) long and 39 ft wide.

CarriesS.H. 6
CrossesNorth Fork of Red River
LocationGreer & Kiowa C/L
RouteState Highway 6
Coordinates35.05047, -99.36445
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,000 ft (304.8 m)
Longest span100 ft (30.5 m)
Deck width39 ft (12 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2022)
Projected traffic880 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$15.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 6 over North Fork of Red River built?

It was built in 2006, making it 19 years old in 2025.

What condition is S.H. 6 over North Fork of Red River 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 September 2023.

How much traffic does S.H. 6 over North Fork of Red River carry?

About 550 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 6 over North Fork of Red River?

The structure is 1,000 ft (304.8 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns S.H. 6 over North Fork of Red River?

It is owned by the State Highway Agency.