Structure 7270 · Maricopa County, AZ

Ramp E-s over Drainage Channel

Carries Ramp E-s over Drainage Channel, 1700 Ft Onto Ramp E-s.

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 FT89 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 89 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.

Built201214 years old
Length88.9 ft27.1 m
Daily traffic4,000counted 2021
Last inspectedAugust 2022every 48 months

Location

StateArizona
CountyMaricopa
Location1700 Ft Onto Ramp E-s
CarriesRamp E-s
CrossesDrainage Channel
Coordinates33.32830, -111.66190

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length88.9 ft (27.1 m)
Max Span7.9 ft (2.4 m)
Deck Area330.6 sq m
Main Spans3
Year Built2012

Traffic

Avg Daily Traffic4,000 (2021)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number07270

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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