Structure 11512 · Pinal County, AZ

Mc Casa Grande HWY over Santa Cruz Wash

Carries Mc Casa Grande HWY over Santa Cruz Wash, 0.06 Mi W Of Murphy RD.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT194 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 194 ft across with 18 openings: about 3 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, so those are drawn as typical for a culvert.

Built201610 years old
Length193.9 ft59.1 m
Daily traffic5,800counted 2022
Last inspectedOctober 2023every 48 months

Location

StateArizona
CountyPinal
Location0.06 Mi W Of Murphy RD
CarriesMc Casa Grande HWY
CrossesSanta Cruz Wash
Coordinates32.99266, -111.94399

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length193.9 ft (59.1 m)
Max Span9.8 ft (3 m)
Deck Width44.0 ft (13.4 m)
Deck Area791.9 sq m
Main Spans18
Year Built2016

Traffic

Avg Daily Traffic5,800 (2022)
Truck Traffic5%
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 Number11512

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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