I-40 over Co. Rd. under

Good

Okfuskee County, Oklahoma · 7.4 MI E Seminole CO · Structure no. 157280000000000

Built: 1963; 62 years old
Condition: Good; inspected September 2023
Type: Slab; Concrete Continuous
Length: 109 ft; 3 main spans
Daily traffic: 7,450; 2022 count
Owner: State; State Highway Agency

About this bridge

I-40 over Co. Rd. under is a concrete continuous slab carrying I-40 over Co. Rd. under in Okfuskee County, Oklahoma. It was built in 1963, so it is 62 years old, older 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 7,450 vehicles a day, roughly 36% of them trucks, projected to reach 11,920 by 2042. The structure is 109 ft (33.2 m) long and 41 ft wide.

Location

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CarriesI-40

CrossesCo. Rd. under

Location7.4 MI E Seminole CO

RouteInterstate 40

CountyOkfuskee County

StateOklahoma

Coordinates35.41765, -96.31758

Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.

Last inspectionSeptember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating55 US tons

Inventory rating33 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length109 ft (33.2 m)

Longest span44 ft (13.4 m)

Deck width41 ft (12.5 m)

Roadway width38 ft (11.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,450 (2022)

Projected traffic11,920 by 2042

Trucks36%

Lanes on structure2

Traffic directionOne-way traffic

CarriesHighway

CrossesHighway

Detour if closed—

TollOn a free road

National Highway SystemYes

Strategic Highway NetworkInterstate STRAHNET route

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$1.4 million

NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 over Co. Rd. under built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-40 over Co. Rd. 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 September 2023.

How much traffic does I-40 over Co. Rd. under carry?

About 7,450 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-40 over Co. Rd. under?

The structure is 109 ft (33.2 m) long with a longest span of 44 ft (13.4 m) and a deck 41 ft wide.

Who owns I-40 over Co. Rd. under?

It is owned by the State Highway Agency.