US Bridges

4086C over Caston Creek

FairPosted for load

Le Flore County, Oklahoma · 4.2 W; 0.5 N Kennady · Structure no. 188040000000000

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

4086C over Caston Creek is a steel stringer/multi-beam or girder carrying 4086C over Caston Creek in Le Flore County, Oklahoma. It was built in 1975, so it is 50 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 25 vehicles a day, roughly 15% of them trucks, projected to reach 40 by 2042. The structure is 34 ft (10.4 m) long and 18 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
Carries4086C
CrossesCaston Creek
Location4.2 W; 0.5 N Kennady
RouteCounty Highway 4086C
CountyLe Flore County
StateOklahoma
Coordinates35.01957, -94.83197
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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$285,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4086C over Caston Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is 4086C over Caston 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 March 2023.

How much traffic does 4086C over Caston Creek carry?

About 25 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4086C over Caston Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 18 ft wide.

Who owns 4086C over Caston Creek?

It is owned by the County Highway Agency.