Structure 11181 · Pinal County, AZ

Skousen RD over Pima Lateral Canal

Carries Skousen RD over Pima Lateral Canal, 100 Ft S Jct SR 87.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT49 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 49 ft across with 2 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.

Built201214 years old
Length48.9 ft14.9 m
Daily traffic3,510counted 2021
Last inspectedDecember 2023every 48 months

Location

StateArizona
CountyPinal
Location100 Ft S Jct SR 87
CarriesSkousen RD
CrossesPima Lateral Canal
Coordinates33.00200, -111.55860

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length48.9 ft (14.9 m)
Max Span24.0 ft (7.3 m)
Deck Area217.5 sq m
Main Spans2
Year Built2012

Traffic

Avg Daily Traffic3,510 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number11181

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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