US Bridges

Ind. Nation Tp over Co. Rd. 6138C under

Good

Pittsburg County, Oklahoma · 58.5 MI S of I-40 · Structure no. 170930000000000

Built
1968
57 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ind. Nation Tp over Co. Rd. 6138C under is a concrete culvert carrying Ind. Nation Tp over Co. Rd. 6138C under in Pittsburg County, Oklahoma. It was built in 1968, so it is 57 years old, older 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 3,800 vehicles a day, roughly 25% of them trucks, projected to reach 6,080 by 2042. The structure is 23 ft (7 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInd. Nation Tp
CrossesCo. Rd. 6138C under
Location58.5 MI S of I-40
CountyPittsburg County
StateOklahoma
Coordinates34.62602, -95.73572
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width110 ft (33.5 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic6,080 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$360,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ind. Nation Tp over Co. Rd. 6138C under built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ind. Nation Tp over Co. Rd. 6138C under 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 February 2023.

How much traffic does Ind. Nation Tp over Co. Rd. 6138C under carry?

About 3,800 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Ind. Nation Tp over Co. Rd. 6138C under?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 110 ft wide.

Who owns Ind. Nation Tp over Co. Rd. 6138C under?

It is owned by the State Toll Authority.