Structure 188810000000000 · Pittsburg County, OK

N4068 (b St) over Canal

Carries N4068 (b St) over Canal, 150 N Of Kiowa Ave..

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT35 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

35 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197551 years old
Length35.1 ft10.7 m
Daily traffic200counted 2022
Last inspectedAugust 2023every 24 months

Location

StateOklahoma
CountyPittsburg
Location150 N Of Kiowa Ave.
CarriesN4068 (b St)
CrossesCanal
Coordinates34.92950, -95.77504

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length35.1 ft (10.7 m)
Max Span32.2 ft (9.8 m)
Deck Width28.9 ft (8.8 m)
Deck Area94.2 sq m
Main Spans1
Year Built1975

Traffic

Avg Daily Traffic200 (2022)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number188810000000000

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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