Structure 3940000000000 · Noble County, OK

N3130 over Black Bear Creek

Carries N3130 over Black Bear Creek, 5.1n 1.7e Of Lucien.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 0 of 9.

How ratings work
Decksets the rating0/9 · Failed
Superstructuresets the rating0/9 · Failed
Substructuresets the rating0/9 · Failed
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT106 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 0/9Superstructure 0/9Substructure 0/9

106 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 through truss.

Built1914112 years old
Length106.0 ft32.3 m
Daily traffic24counted 2022
Last inspectedJanuary 2023every 24 months

Location

StateOklahoma
CountyNoble
Location5.1n 1.7e Of Lucien
CarriesN3130
CrossesBlack Bear Creek
Coordinates36.34932, -97.42597

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length106.0 ft (32.3 m)
Max Span60.0 ft (18.3 m)
Deck Width14.1 ft (4.3 m)
Deck Area138.9 sq m
Main Spans1
Year Built1914

Traffic

Avg Daily Traffic24 (2022)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number003940000000000

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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