US Bridges

S.H. 4 over N. Canadian River

Good

Canadian County, Oklahoma · 2.2 N JCT S.H. 66 · Structure no. 305350000000000

Built
2020
5 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,502 ft
15 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 4 over N. Canadian River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 4 over N. Canadian River in Canadian County, Oklahoma. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,800 vehicles a day, roughly 15% of them trucks, projected to reach 6,080 by 2042. The structure is 1,502 ft (457.7 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesS.H. 4
CrossesN. Canadian River
Location2.2 N JCT S.H. 66
RouteState Highway 4
CountyCanadian County
StateOklahoma
Coordinates35.53895, -97.74237
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHL 93
Structure length1,502 ft (457.7 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic6,080 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 4 over N. Canadian River built?

It was built in 2020, making it 5 years old in 2025.

What condition is S.H. 4 over N. Canadian River 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 January 2025.

How much traffic does S.H. 4 over N. Canadian River carry?

About 3,800 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 4 over N. Canadian River?

The structure is 1,502 ft (457.7 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 4 over N. Canadian River?

It is owned by the State Highway Agency.