US Bridges

Cottonwood Rd. over I-40 under

Fair

Sequoyah County, Oklahoma · 1.4 W JCT I-40 · Structure no. 160950000000000

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
176 ft
4 main spans
Daily traffic
650
2022 count
Owner
State
State Highway Agency

About this bridge

Cottonwood Rd. over I-40 under is a concrete continuous slab carrying Cottonwood Rd. over I-40 under in Sequoyah County, Oklahoma. It was built in 1964, so it is 61 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 650 vehicles a day, roughly 10% of them trucks, projected to reach 1,040 by 2042. The structure is 176 ft (53.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCottonwood Rd.
CrossesI-40 under
Location1.4 W JCT I-40
RouteCounty Highway N4760
CountySequoyah County
StateOklahoma
Coordinates35.3975, -94.54892
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length176 ft (53.6 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic1,040 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Cottonwood Rd. over I-40 under built?

It was built in 1964, making it 61 years old in 2025.

What condition is Cottonwood 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 October 2023.

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

About 650 vehicles per day (2022 count), of which roughly 10% are trucks.

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

The structure is 176 ft (53.6 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns Cottonwood Rd. over I-40 under?

It is owned by the State Highway Agency.