Structure 20407000001017 · Hinsdale County, CO

Winding Road 788 over Mineral Creek

Carries Winding Road 788 over Mineral Creek, 43 Mi. S.w. Gunnison Co..

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 7/9

27 ft end to end. 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 multi-beam bridge.

Built195769 years old
Length26.6 ft8.1 m
Daily traffic47counted 2008
Last inspectedAugust 2024every 24 months

Location

StateColorado
CountyHinsdale
Location43 Mi. S.w. Gunnison Co.
CarriesWinding Road 788
CrossesMineral Creek
Coordinates38.06546, -107.06435

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length26.6 ft (8.1 m)
Max Span24.9 ft (7.6 m)
Deck Width15.7 ft (4.8 m)
Deck Area38.9 sq m
Main Spans1
Year Built1957

Traffic

Avg Daily Traffic47 (2008)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number020407000001017

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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