US Bridges

Ind. Nation Tp over S. Canadian River

Fair

McIntosh County, Oklahoma · 20.43 Mis S. JCT I-40 · Structure no. 173570000000000

Built
1968
57 years old, rebuilt 1987
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,562 ft
16 main spans
Daily traffic
7,800
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ind. Nation Tp over S. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying Ind. Nation Tp over S. Canadian River in McIntosh County, Oklahoma. It was built in 1968 and reconstructed in 1987, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,800 vehicles a day, roughly 25% of them trucks, projected to reach 12,480 by 2042. The structure is 1,562 ft (476.1 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInd. Nation Tp
CrossesS. Canadian River
Location20.43 Mis S. JCT I-40
CountyMcIntosh County
StateOklahoma
Coordinates35.14488, -95.89965
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating48.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20
Structure length1,562 ft (476.1 m)
Longest span100 ft (30.5 m)
Deck width74 ft (22.6 m)
Roadway width69 ft (21 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
CrossesWaterway
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$9.6 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1987.

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

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Ind. Nation Tp over S. Canadian River 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?

The structure is 1,562 ft (476.1 m) long with a longest span of 100 ft (30.5 m) and a deck 74 ft wide.

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

It is owned by the State Toll Authority.