US Bridges

N4641 (0140C) over Creek

FairPosted for load

Adair County, Oklahoma · .8S of Bunch · Structure no. 098470000000000

Built
1936
89 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
233
2022 count
Owner
County
County Highway Agency

About this bridge

N4641 (0140C) over Creek is a concrete continuous slab carrying N4641 (0140C) over Creek in Adair County, Oklahoma. It was built in 1936, so it is 89 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. Its operating status is: posted for load restriction.

It carries about 233 vehicles a day, roughly 15% of them trucks, projected to reach 373 by 2042. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesN4641 (0140C)
CrossesCreek
Location.8S of Bunch
RouteCounty Highway N4641
CountyAdair County
StateOklahoma
Coordinates35.66889, -94.75285
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2022)
Projected traffic373 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4641 (0140C) over Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is N4641 (0140C) 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 June 2024.

How much traffic does N4641 (0140C) over Creek carry?

About 233 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4641 (0140C) over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns N4641 (0140C) over Creek?

It is owned by the County Highway Agency.