I-40 over Co. Rd. under

Fair

Okfuskee County, Oklahoma · 11.5 MI E Seminole CO · Structure no. 157330000000000

Built: 1963; 62 years old
Condition: Fair; inspected October 2023
Type: Slab; Concrete Continuous
Length: 102 ft; 3 main spans
Daily traffic: 8,100; 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 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 8,100 vehicles a day, roughly 36% of them trucks, projected to reach 12,960 by 2042. The structure is 102 ft (31.1 m) long and 41 ft wide.

Location

Open in Google Maps

CarriesI-40

CrossesCo. Rd. under

Location11.5 MI E Seminole CO

RouteInterstate 40

CountyOkfuskee County

StateOklahoma

Coordinates35.42862, -96.24705

Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating44 US tons

Inventory rating26 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length102 ft (31.1 m)

Longest span40 ft (12.2 m)

Deck width41 ft (12.5 m)

Roadway width38 ft (11.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)

Projected traffic12,960 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 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 October 2023.

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

About 8,100 vehicles per day (2022 count), of which roughly 36% are trucks.

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

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

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

It is owned by the State Highway Agency.