US Bridges

N4626 (fas 0108C) over Creek

FairPosted for load

Adair County, Oklahoma · .8S of Chewey · Structure no. 211930000000000

Built
1986
39 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4626 (fas 0108C) over Creek is a concrete culvert carrying N4626 (fas 0108C) over Creek in Adair County, Oklahoma. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesN4626 (fas 0108C)
CrossesCreek
Location.8S of Chewey
RouteCounty Highway N4626
CountyAdair County
StateOklahoma
Coordinates36.09114, -94.76863
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.2 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4626 (fas 0108C) over Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is N4626 (fas 0108C) over Creek 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 July 2023.

How much traffic does N4626 (fas 0108C) over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4626 (fas 0108C) over Creek?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns N4626 (fas 0108C) over Creek?

It is owned by the County Highway Agency.