US Bridges

N4582 over Wolf Creek

Fair

Le Flore County, Oklahoma · 1.0 S Milton · Structure no. 245550000000000

Built
1995
30 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
54 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

N4582 over Wolf Creek is a concrete culvert carrying N4582 over Wolf Creek in Le Flore County, Oklahoma. It was built in 1995, so it is 30 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.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2042. The structure is 54 ft (16.5 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN4582
CrossesWolf Creek
Location1.0 S Milton
RouteCounty Highway N4582
Coordinates35.15238, -94.87061
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic96 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 N4582 over Wolf Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is N4582 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 N4582 over Wolf Creek carry?

About 60 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4582 over Wolf Creek?

The structure is 54 ft (16.5 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns N4582 over Wolf Creek?

It is owned by the County Highway Agency.