Structure 152830000000000 · Johnston County, OK

3530c over Little Sandy Creek

Carries 3530c over Little Sandy Creek, 1 N & 3 W Of Filmore.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 45 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.

Built196165 years old
Length44.6 ft13.6 m
Daily traffic370counted 2022
Last inspectedMay 2023every 24 months

Location

StateOklahoma
CountyJohnston
Location1 N & 3 W Of Filmore
Carries3530c
CrossesLittle Sandy Creek
Coordinates34.28874, -96.54877

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length44.6 ft (13.6 m)
Max Span14.1 ft (4.3 m)
Deck Width28.2 ft (8.6 m)
Deck Area117.0 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic370 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number152830000000000

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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