US Bridges

Wilson Rock Rd. over I-40 under

FairPosted for load

Sequoyah County, Oklahoma · 3.4 W JCT US-64 · Structure no. 161200000000000

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
181 ft
4 main spans
Daily traffic
925
2022 count
Owner
State
State Highway Agency

About this bridge

Wilson Rock Rd. over I-40 under is a concrete continuous slab carrying Wilson Rock 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 925 vehicles a day, roughly 11% of them trucks, projected to reach 1,480 by 2042. The structure is 181 ft (55.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWilson Rock Rd.
CrossesI-40 under
Location3.4 W JCT US-64
RouteCounty Highway 0
CountySequoyah County
StateOklahoma
Coordinates35.39283, -94.58447
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length181 ft (55.2 m)
Longest span56 ft (17.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic925 (2022)
Projected traffic1,480 by 2042
Trucks11%
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 Wilson Rock Rd. over I-40 under built?

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

What condition is Wilson Rock 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 Wilson Rock Rd. over I-40 under carry?

About 925 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Wilson Rock Rd. over I-40 under?

The structure is 181 ft (55.2 m) long with a longest span of 56 ft (17.1 m) and a deck 29 ft wide.

Who owns Wilson Rock Rd. over I-40 under?

It is owned by the State Highway Agency.