Structure 7942 · Maricopa County, AZ

Main ST - Old 60 over Rwcd Floodway

Carries Main ST - Old 60 over Rwcd Floodway, At Jct W/higley 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 FT90 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 90 ft across with 5 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.

Built198640 years old
Length89.9 ft27.4 m
Daily traffic28,245counted 2019
Last inspectedJuly 2023every 48 months

Location

StateArizona
CountyMaricopa
LocationAt Jct W/higley RD
CarriesMain ST - Old 60
CrossesRwcd Floodway
Coordinates33.41558, -111.71956

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length89.9 ft (27.4 m)
Max Span9.8 ft (3 m)
Deck Area802.8 sq m
Main Spans5
Year Built1986

Traffic

Avg Daily Traffic28,245 (2019)
Truck Traffic5%
Lanes On Bridge8

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 Number07942

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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