US Bridges

6816C/ E1060 over Big Skin Bayou

Good

Sequoyah County, Oklahoma · 3.0 MI W of SH 64B · Structure no. 230360000000000

Built
1992
33 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

6816C/ E1060 over Big Skin Bayou is a prestressed concrete stringer/multi-beam or girder carrying 6816C/ E1060 over Big Skin Bayou in Sequoyah County, Oklahoma. It was built in 1992, so it is 33 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 300 vehicles a day, roughly 15% of them trucks, projected to reach 480 by 2042. The structure is 142 ft (43.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries6816C/ E1060
CrossesBig Skin Bayou
Location3.0 MI W of SH 64B
RouteCounty Highway 6816C
Coordinates35.47811, -94.65383
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.
Superstructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 6816C/ E1060 over Big Skin Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is 6816C/ E1060 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 6816C/ E1060 over Big Skin Bayou carry?

About 300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6816C/ E1060 over Big Skin Bayou?

The structure is 142 ft (43.3 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns 6816C/ E1060 over Big Skin Bayou?

It is owned by the County Highway Agency.