Structure 6125 · Pinal County, AZ

IRR SR 87 over Wash

Carries IRR SR 87 over Wash, 7.0 Mi SE Jct SR 587.

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
CAR · 15 FT53 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 53 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.

Built1932rebuilt 1963
Length53.1 ft16.2 m
Daily traffic3,994counted 2020
Last inspectedOctober 2021every 48 months

Location

StateArizona
CountyPinal
Location7.0 Mi SE Jct SR 587
CarriesIRR SR 87
CrossesWash
Coordinates33.13580, -111.75330

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length53.1 ft (16.2 m)
Max Span9.8 ft (3 m)
Deck Area202.5 sq m
Main Spans5
Year Built1932 (reconstructed 1963)

Traffic

Avg Daily Traffic3,994 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number06125

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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