Structure 8018 · Maricopa County, AZ

N Old Gilbert Road over Eastern Canal

Carries N Old Gilbert Road over Eastern Canal, 0.1 Mi E Jct Gilbert RD.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 37 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.

Built197254 years old
Length37.1 ft11.3 m
Daily traffic2,482counted 2019
Last inspectedJuly 2023every 48 months

Location

StateArizona
CountyMaricopa
Location0.1 Mi E Jct Gilbert RD
CarriesN Old Gilbert Road
CrossesEastern Canal
Coordinates33.45800, -111.78760

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length37.1 ft (11.3 m)
Max Span18.0 ft (5.5 m)
Deck Width81.0 ft (24.7 m)
Deck Area279.1 sq m
Main Spans2
Year Built1972

Traffic

Avg Daily Traffic2,482 (2019)
Truck Traffic2%
Lanes On Bridge3

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number08018

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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