US Bridges

N4586 over Wolf Creek

Fair

Le Flore County, Oklahoma · 2S 4.2W of Bokoshe · Structure no. 313810000000000

Built
2009
16 years old
Condition
Fair
inspected January 2023
Type
Culvert
Steel
Length
57 ft
7 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4586 over Wolf Creek is a steel culvert carrying N4586 over Wolf Creek in Le Flore County, Oklahoma. It was built in 2009, so it is 16 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 6 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesN4586
CrossesWolf Creek
Location2S 4.2W of Bokoshe
RouteCounty Highway N4586
Coordinates35.15745, -94.86662
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans7
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span6 ft (1.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4586 over Wolf Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is N4586 over Wolf 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 January 2023.

How much traffic does N4586 over Wolf Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4586 over Wolf Creek?

The structure is 57 ft (17.4 m) long with a longest span of 6 ft (1.8 m) and a deck 30 ft wide.

Who owns N4586 over Wolf Creek?

It is owned by the County Highway Agency.