US Bridges

Co. Rd. over I-40 under

Fair

Pottawatomie County, Oklahoma · 7.1 MI E Ok C/L · Structure no. 153480000000000

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
172 ft
4 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. over I-40 under is a concrete continuous slab carrying Co. Rd. over I-40 under in Pottawatomie County, Oklahoma. It was built in 1961, so it is 64 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 6 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 172 ft (52.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCo. Rd.
CrossesI-40 under
Location7.1 MI E Ok C/L
RouteCity Street N3560
CountyPottawatomie County
StateOklahoma
Coordinates35.38047, -97.01826
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length172 ft (52.4 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1961, making it 64 years old in 2025.

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

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

About 500 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 172 ft (52.4 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

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

It is owned by the State Highway Agency.