Structure 10571 · Maricopa County, AZ

Palm Valley BLVD over Wash

Carries Palm Valley BLVD over Wash, 0.25 Mi N Mcdowell.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 23 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built199729 years old
Length23.0 ft7 m
Daily traffic4,575counted 2020
Last inspectedMay 2021every 48 months

Location

StateArizona
CountyMaricopa
Location0.25 Mi N Mcdowell
CarriesPalm Valley BLVD
CrossesWash
Coordinates33.46800, -112.34900

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length23.0 ft (7 m)
Max Span9.8 ft (3 m)
Deck Width62.0 ft (18.9 m)
Deck Area132.3 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic4,575 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2021
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number10571

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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