Structure 178550000000000 · Washita County, OK

N2360 over Oak Creek

Carries N2360 over Oak Creek, 1.8n 2.w Mountain View.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

86 ft end to end, longest span 62 ft. 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 girder bridge.

Built197056 years old
Length86.0 ft26.2 m
Daily traffic50counted 2022
Last inspectedJanuary 2023every 24 months

Location

StateOklahoma
CountyWashita
Location1.8n 2.w Mountain View
CarriesN2360
CrossesOak Creek
Coordinates35.12778, -98.77624

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length86.0 ft (26.2 m)
Max Span62.0 ft (18.9 m)
Deck Width24.0 ft (7.3 m)
Deck Area191.3 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic50 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number178550000000000

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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