US Bridges

Ind. Nation Tp over S. Canadian River Oflow

Good

McIntosh County, Oklahoma · 19.86 Mis S. JCT I-40 · Structure no. 166310000000000

Built
1965
60 years old, rebuilt 1987
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
5 main spans
Daily traffic
7,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ind. Nation Tp over S. Canadian River Oflow is a prestressed concrete stringer/multi-beam or girder carrying Ind. Nation Tp over S. Canadian River Oflow in McIntosh County, Oklahoma. It was built in 1965 and reconstructed in 1987, so it is 60 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 7,800 vehicles a day, roughly 25% of them trucks, projected to reach 12,480 by 2042. The structure is 402 ft (122.5 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInd. Nation Tp
CrossesS. Canadian River Oflow
Location19.86 Mis S. JCT I-40
CountyMcIntosh County
StateOklahoma
Coordinates35.15393, -95.90483
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.8 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span80 ft (24.4 m)
Deck width74 ft (22.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2022)
Projected traffic12,480 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ind. Nation Tp over S. Canadian River Oflow built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is Ind. Nation Tp over S. Canadian River Oflow 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 S. Canadian River Oflow carry?

About 7,800 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Ind. Nation Tp over S. Canadian River Oflow?

The structure is 402 ft (122.5 m) long with a longest span of 80 ft (24.4 m) and a deck 74 ft wide.

Who owns Ind. Nation Tp over S. Canadian River Oflow?

It is owned by the State Toll Authority.