US Bridges

S.H. 4 over I-40 under

Good

Canadian County, Oklahoma · JCT I-40 & S.H. 4 · Structure no. 304240000000000

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
352 ft
4 main spans
Daily traffic
17,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 4 over I-40 under is a steel stringer/multi-beam or girder carrying S.H. 4 over I-40 under in Canadian County, Oklahoma. It was built in 2014, so it is 11 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 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 17,300 vehicles a day, roughly 5% of them trucks, projected to reach 27,680 by 2042. The structure is 352 ft (107.3 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS.H. 4
CrossesI-40 under
LocationJCT I-40 & S.H. 4
RouteState Highway 4
CountyCanadian County
StateOklahoma
Coordinates35.46778, -97.72472
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length352 ft (107.3 m)
Longest span117 ft (35.7 m)
Deck width91 ft (27.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,300 (2022)
Projected traffic27,680 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 4 over I-40 under built?

It was built in 2014, making it 11 years old in 2025.

What condition is S.H. 4 over I-40 under 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 I-40 under carry?

About 17,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is S.H. 4 over I-40 under?

The structure is 352 ft (107.3 m) long with a longest span of 117 ft (35.7 m) and a deck 91 ft wide.

Who owns S.H. 4 over I-40 under?

It is owned by the State Highway Agency.