US Bridges

4056C over Coal Creek

Fair

Le Flore County, Oklahoma · 2.7 N Bokoshe · Structure no. 174190000000000

Built
1969
56 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

4056C over Coal Creek is a concrete culvert carrying 4056C over Coal Creek in Le Flore County, Oklahoma. It was built in 1969, so it is 56 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.

It carries about 350 vehicles a day, roughly 15% of them trucks, projected to reach 560 by 2042. The structure is 48 ft (14.7 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries4056C
CrossesCoal Creek
Location2.7 N Bokoshe
RouteCounty Highway 4056C
Coordinates35.224, -94.79657
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 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 length48 ft (14.7 m)
Longest span14 ft (4.3 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 4056C over Coal Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is 4056C over Coal 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 4056C over Coal Creek carry?

About 350 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4056C over Coal Creek?

The structure is 48 ft (14.7 m) long with a longest span of 14 ft (4.3 m) and a deck 47 ft wide.

Who owns 4056C over Coal Creek?

It is owned by the County Highway Agency.