US Bridges

Co. Rd. over I-40 under

Good

Pottawatomie County, Oklahoma · 2 MI E Ok C/L · Structure no. 151650000000000

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
194 ft
5 main spans
Daily traffic
300
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 1960, so it is 65 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 480 by 2042. The structure is 194 ft (59.1 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCo. Rd.
CrossesI-40 under
Location2 MI E Ok C/L
RouteCounty Highway N3310
CountyPottawatomie County
StateOklahoma
Coordinates35.38376, -97.10712
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.6 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length194 ft (59.1 m)
Longest span44 ft (13.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 1960, making it 65 years old in 2025.

What condition is Co. Rd. 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 April 2023.

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

About 300 vehicles per day (2022 count), of which roughly 10% are trucks.

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

The structure is 194 ft (59.1 m) long with a longest span of 44 ft (13.4 m) and a deck 23 ft wide.

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

It is owned by the State Highway Agency.