US Bridges

S.H. 48 over N. Canadian River

Fair

Okfuskee County, Oklahoma · 1.8 MI S JCT I40 · Structure no. 183610000000000

Built
1972
53 years old, rebuilt 2023
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
592 ft
4 main spans
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 48 over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 48 over N. Canadian River in Okfuskee County, Oklahoma. It was built in 1972 and reconstructed in 2023, so it is 53 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 700 vehicles a day, roughly 15% of them trucks, projected to reach 1,120 by 2042. The structure is 592 ft (180.4 m) long and 34 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesS.H. 48
CrossesN. Canadian River
Location1.8 MI S JCT I40
RouteState Highway 48
CountyOkfuskee County
StateOklahoma
Coordinates35.37675, -96.37052
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+3 approach)
Design loadHS 20
Structure length592 ft (180.4 m)
Longest span95 ft (29 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,120 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$3.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 48 over N. Canadian River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2023.

What condition is S.H. 48 over N. 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 March 2024.

How much traffic does S.H. 48 over N. Canadian River carry?

About 700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 48 over N. Canadian River?

The structure is 592 ft (180.4 m) long with a longest span of 95 ft (29 m) and a deck 34 ft wide.

Who owns S.H. 48 over N. Canadian River?

It is owned by the State Highway Agency.