Structure 278170000000000 · Stephens County, OK

N2850 over Creek

Carries N2850 over Creek, 3e 2.3s Of U.s. 81.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
20 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 20 ft across with 3 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built200422 years old
Length20.0 ft6.1 m
Daily traffic90counted 2022
Last inspectedJune 2024every 24 months

Location

StateOklahoma
CountyStephens
Location3e 2.3s Of U.s. 81
CarriesN2850
CrossesCreek
Coordinates34.45889, -97.91222

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length20.0 ft (6.1 m)
Max Span4.9 ft (1.5 m)
Deck Width54.1 ft (16.5 m)
Deck Area100.7 sq m
Main Spans3
Year Built2004

Traffic

Avg Daily Traffic90 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number278170000000000

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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