US Bridges

I-40 EB over Co. Rd. under

Good

Pottawatomie County, Oklahoma · 2 MI E JCT SH 18 · Structure no. 156190000000000

Built
1963
62 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
9,450
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Co. Rd. under is a concrete culvert carrying I-40 EB over Co. Rd. under in Pottawatomie 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 9,450 vehicles a day, roughly 36% of them trucks, projected to reach 15,120 by 2042. The structure is 22 ft (6.7 m) long and 63 ft wide.

Location

Open in Google Maps
CarriesI-40 EB
CrossesCo. Rd. under
Location2 MI E JCT SH 18
RouteInterstate 40
CountyPottawatomie County
StateOklahoma
Coordinates35.38613, -96.87684
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.

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionJune 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 rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width63 ft (19.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,450 (2022)
Projected traffic15,120 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is I-40 EB 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 June 2023.

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

About 9,450 vehicles per day (2022 count), of which roughly 36% are trucks.

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

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 63 ft wide.

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

It is owned by the State Highway Agency.