Structure 21202000001022 · Chaffee County, CO

Nfsr 344 over South Cottonwood Creek

Carries Nfsr 344 over South Cottonwood Creek, 8.9 Mi SW Of Buena Vista.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
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 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

31 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.

Built195472 years old
Length30.5 ft9.3 m
Daily traffic160counted 2010
Last inspectedNovember 2023every 24 months

Location

StateColorado
CountyChaffee
Location8.9 Mi SW Of Buena Vista
CarriesNfsr 344
CrossesSouth Cottonwood Creek
Coordinates38.78139, -106.27725

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length30.5 ft (9.3 m)
Max Span28.9 ft (8.8 m)
Deck Width15.4 ft (4.7 m)
Deck Area43.7 sq m
Main Spans1
Year Built1954

Traffic

Avg Daily Traffic160 (2010)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number021202000001022

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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