Structure 4876 · Cochise County, AZ

SR 92 over Carr Canyon

Carries SR 92 over Carr Canyon, 7.0 Mi S Jct SR 90.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT54 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 54 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.

Built1936rebuilt 1991
Length54.1 ft16.5 m
Daily traffic10,687counted 2023
Last inspectedFebruary 2024every 48 months

Location

StateArizona
CountyCochise
Location7.0 Mi S Jct SR 90
CarriesSR 92
CrossesCarr Canyon
Coordinates31.45290, -110.25740

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length54.1 ft (16.5 m)
Max Span9.8 ft (3 m)
Deck Area341.6 sq m
Main Spans5
Year Built1936 (reconstructed 1991)

Traffic

Avg Daily Traffic10,687 (2023)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number04876

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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