Structure 110450000000000 · McCurtain County, OK

4588c over Boktuklo Creek

Carries 4588c over Boktuklo Creek, 1.0 N; 9.0 W Broken Bow.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT42 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 42 ft across with 3 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built194977 years old
Length42.0 ft12.8 m
Daily traffic400counted 2022
Last inspectedApril 2023every 24 months

Location

StateOklahoma
CountyMcCurtain
Location1.0 N; 9.0 W Broken Bow
Carries4588c
CrossesBoktuklo Creek
Coordinates34.04082, -94.89593

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length42.0 ft (12.8 m)
Max Span14.1 ft (4.3 m)
Deck Width25.9 ft (7.9 m)
Deck Area101.1 sq m
Main Spans3
Year Built1949

Traffic

Avg Daily Traffic400 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number110450000000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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