US Bridges

Co. Rd. 6168C over Ind. Nation Tp under

Good

Pittsburg County, Oklahoma · 46.69 Mis S. JCT I-40 · Structure no. 175270000000000

Built
1969
56 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
2 main spans
Daily traffic
100
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Co. Rd. 6168C over Ind. Nation Tp under is a prestressed concrete stringer/multi-beam or girder carrying Co. Rd. 6168C over Ind. Nation Tp under in Pittsburg County, Oklahoma. It was built in 1969, so it is 56 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 182 ft (55.5 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCo. Rd. 6168C
CrossesInd. Nation Tp under
Location46.69 Mis S. JCT I-40
RouteCounty Highway 6168C
CountyPittsburg County
StateOklahoma
Coordinates34.7875, -95.77611
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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74.8 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length182 ft (55.5 m)
Longest span92 ft (28 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. 6168C over Ind. Nation Tp under built?

It was built in 1969, making it 56 years old in 2025.

What condition is Co. Rd. 6168C over Ind. Nation Tp 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 Co. Rd. 6168C over Ind. Nation Tp under carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Co. Rd. 6168C over Ind. Nation Tp under?

The structure is 182 ft (55.5 m) long with a longest span of 92 ft (28 m) and a deck 23 ft wide.

Who owns Co. Rd. 6168C over Ind. Nation Tp under?

It is owned by the State Toll Authority.