US Bridges

6834C/ N4710 over Big Skin Bayou

Good

Sequoyah County, Oklahoma · 1.8 MI S of US 64 · Structure no. 246840000000000

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

6834C/ N4710 over Big Skin Bayou is a prestressed concrete stringer/multi-beam or girder carrying 6834C/ N4710 over Big Skin Bayou in Sequoyah 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 350 vehicles a day, roughly 15% of them trucks, projected to reach 560 by 2042. The structure is 142 ft (43.3 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries6834C/ N4710
CrossesBig Skin Bayou
Location1.8 MI S of US 64
RouteCounty Highway 6834C
Coordinates35.37311, -94.63752
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating31.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$653,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6834C/ N4710 over Big Skin Bayou built?

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

What condition is 6834C/ N4710 over Big Skin Bayou 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 June 2023.

How much traffic does 6834C/ N4710 over Big Skin Bayou carry?

About 350 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6834C/ N4710 over Big Skin Bayou?

The structure is 142 ft (43.3 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns 6834C/ N4710 over Big Skin Bayou?

It is owned by the County Highway Agency.