US Bridges

S.H. 6 over Red River

Fair

Jackson County, Oklahoma · Okla-Texas State Line · Structure no. 235080000000000

Built
1993
32 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,617 ft
17 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 6 over Red River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 6 over Red River in Jackson County, Oklahoma. It was built in 1993, so it is 32 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 6 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 1,617 ft (492.9 m) long and 44 ft wide. If it were closed, the detour would be 92 mi (148 km).

Location

Open in Google Maps
CarriesS.H. 6
CrossesRed River
LocationOkla-Texas State Line
RouteState Highway 6
CountyJackson County
StateOklahoma
Coordinates34.41216, -99.73571
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,617 ft (492.9 m)
Longest span95 ft (29 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed92 mi (148 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$8.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 6 over Red River built?

It was built in 1993, making it 32 years old in 2025.

What condition is S.H. 6 over Red River 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 March 2023.

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

About 500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 6 over Red River?

The structure is 1,617 ft (492.9 m) long with a longest span of 95 ft (29 m) and a deck 44 ft wide.

Who owns S.H. 6 over Red River?

It is owned by the State Highway Agency.