Structure 31205000014792 · Gila County, AZ

Fsr 487 over Workman Cliff

Carries Fsr 487 over Workman Cliff, 1.3 Mi Se/o Workman Ck Cg.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT64 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

64 ft end to end, longest span 4 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 an orthotropic-deck bridge.

Built199531 years old
Length64.0 ft19.5 m
Daily traffic39counted 2022
Last inspectedAugust 2023every 24 months

Location

StateArizona
CountyGila
Location1.3 Mi Se/o Workman Ck Cg
CarriesFsr 487
CrossesWorkman Cliff
Coordinates33.81954, -110.93131

Physical Characteristics

MaterialSteel
DesignOrthotropic
Total Length64.0 ft (19.5 m)
Max Span3.9 ft (1.2 m)
Deck Width13.1 ft (4 m)
Deck Area78 sq m
Main Spans16
Year Built1995

Traffic

Avg Daily Traffic39 (2022)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number031205000014792

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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