Structure 17980000000000 · Alfalfa County, OK

S.h. 45 over Creek

Carries S.h. 45 over Creek, 4.6 Mi.e. Of Woods Cl.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 28 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.

Built1927rebuilt 2021
Length27.9 ft8.5 m
Daily traffic1,400counted 2022
Last inspectedOctober 2023every 24 months

Location

StateOklahoma
CountyAlfalfa
Location4.6 Mi.e. Of Woods Cl
CarriesS.h. 45
CrossesCreek
Coordinates36.57888, -98.45078

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.9 ft (8.5 m)
Max Span7.9 ft (2.4 m)
Deck Width59.4 ft (18.1 m)
Deck Area153.8 sq m
Main Spans3
Year Built1927 (reconstructed 2021)

Traffic

Avg Daily Traffic1,400 (2022)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number017980000000000

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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