US Bridges

S.H. 101 over Big Skin Bayou

Good

Sequoyah County, Oklahoma · 7.52E JCT US-59 · Structure no. 327940000000000

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
3 main spans
Daily traffic
540
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 101 over Big Skin Bayou is a steel stringer/multi-beam or girder carrying S.H. 101 over Big Skin Bayou in Sequoyah County, Oklahoma. It was built in 2023, so it is 2 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 540 vehicles a day, roughly 15% of them trucks, projected to reach 864 by 2042. The structure is 225 ft (68.6 m) long and 42 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesS.H. 101
CrossesBig Skin Bayou
Location7.52E JCT US-59
RouteState Highway 101
CountySequoyah County
StateOklahoma
Coordinates35.52063, -94.65297
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.5 US tons
Inventory rating62.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length225 ft (68.6 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2022)
Projected traffic864 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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. 101 over Big Skin Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is S.H. 101 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 October 2023.

How much traffic does S.H. 101 over Big Skin Bayou carry?

About 540 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 101 over Big Skin Bayou?

The structure is 225 ft (68.6 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns S.H. 101 over Big Skin Bayou?

It is owned by the State Highway Agency.