US Bridges

S.H. 9 over S. Canadian River

Fair

McIntosh County, Oklahoma · 2.5 MI SE US69B · Structure no. 155870000000000

Built
1962
63 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,001 ft
8 main spans
Daily traffic
4,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over S. Canadian River is a steel continuous stringer/multi-beam or girder carrying S.H. 9 over S. Canadian River in McIntosh County, Oklahoma. It was built in 1962 and reconstructed in 1986, so it is 63 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 5 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 4,400 vehicles a day, roughly 15% of them trucks, projected to reach 7,040 by 2042. The structure is 1,001 ft (305.1 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesS.H. 9
CrossesS. Canadian River
Location2.5 MI SE US69B
RouteState Highway 9
CountyMcIntosh County
StateOklahoma
Coordinates35.24657, -95.56573
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length1,001 ft (305.1 m)
Longest span125 ft (38.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2022)
Projected traffic7,040 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was S.H. 9 over S. Canadian River built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1986.

What condition is S.H. 9 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 December 2024.

How much traffic does S.H. 9 over S. Canadian River carry?

About 4,400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 9 over S. Canadian River?

The structure is 1,001 ft (305.1 m) long with a longest span of 125 ft (38.1 m) and a deck 34 ft wide.

Who owns S.H. 9 over S. Canadian River?

It is owned by the State Highway Agency.