Structure 9754 · Maricopa County, AZ

Shea BLVD over Cap Canal

Carries Shea BLVD over Cap Canal, 0.3 Mi W. Of 124th Strt.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT147 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

147 ft end to end, longest span 73 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built198046 years old
Length147.0 ft44.8 m
Daily traffic60,972counted 2023
Last inspectedDecember 2024every 24 months

Location

StateArizona
CountyMaricopa
Location0.3 Mi W. Of 124th Strt
CarriesShea BLVD
CrossesCap Canal
Coordinates33.58244, -111.81819

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length147.0 ft (44.8 m)
Max Span73.2 ft (22.3 m)
Deck Width115.2 ft (35.1 m)
Deck Area1572.5 sq m
Main Spans2
Year Built1980

Traffic

Avg Daily Traffic60,972 (2023)
Truck Traffic5%
Lanes On Bridge6

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number09754

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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