Structure 11596 · Pima County, AZ

Willis AVE over Large Wash

Carries Willis AVE over Large Wash, S Of Camino Del Toro.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 56 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.

Built200521 years old
Length56.1 ft17.1 m
Daily traffic210counted 2022
Last inspectedOctober 2023every 48 months

Location

StateArizona
CountyPima
LocationS Of Camino Del Toro
CarriesWillis AVE
CrossesLarge Wash
Coordinates31.94828, -110.78653

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length56.1 ft (17.1 m)
Max Span34.1 ft (10.4 m)
Deck Area135.1 sq m
Main Spans2
Year Built2005

Traffic

Avg Daily Traffic210 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number11596

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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