Structure GAR344-03.73-A · Garfield County, CO

County Road 344 over Divide CR (porter Ditch)

Carries County Road 344 over Divide CR (porter Ditch), 4.0 Mi SE Of Co Road 42.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

26 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 slab bridge.

Built199531 years old
Length26.2 ft8 m
Daily traffic20counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateColorado
CountyGarfield
Location4.0 Mi SE Of Co Road 42
CarriesCounty Road 344
CrossesDivide CR (porter Ditch)
Coordinates39.36753, -107.59295

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length26.2 ft (8 m)
Max Span22.6 ft (6.9 m)
Deck Width29.9 ft (9.1 m)
Deck Area72.8 sq m
Main Spans1
Year Built1995

Traffic

Avg Daily Traffic20 (2023)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberGAR344-03.73-A

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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