Structure 8102 · Cochise County, AZ

Geronimo Trail over Astin Creek

Carries Geronimo Trail over Astin Creek, 16.0 Mi E Jct Airport RD.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT42 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9Substructure 5/9

42 ft end to end, longest span 12 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a deck arch.

Built194383 years old
Length42.0 ft12.8 m
Daily traffic100counted 2021
Last inspectedFebruary 2023every 24 months

Location

StateArizona
CountyCochise
Location16.0 Mi E Jct Airport RD
CarriesGeronimo Trail
CrossesAstin Creek
Coordinates31.36460, -109.26910

Physical Characteristics

MaterialConcrete Continuous
DesignArch - Deck
Total Length42.0 ft (12.8 m)
Max Span12.1 ft (3.7 m)
Deck Width24.6 ft (7.5 m)
Deck Area96 sq m
Main Spans3
Year Built1943

Traffic

Avg Daily Traffic100 (2021)
Lanes On Bridge1

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number08102

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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