Structure 2180 · Franklin County, ME

Rangeley RD over Cottle Brook

Carries Rangeley RD over Cottle Brook, 0.8 Mi W Jct RTE 142.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 26 ft across. 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, so those are drawn as typical for a culvert.

Built1922rebuilt 1935
Length25.9 ft7.9 m
Daily traffic1,471counted 2016
Last inspectedAugust 2023every 24 months

Location

StateMaine
CountyFranklin
Location0.8 Mi W Jct RTE 142
CarriesRangeley RD
CrossesCottle Brook
Coordinates44.83189, -70.39186

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length25.9 ft (7.9 m)
Max Span21.0 ft (6.4 m)
Deck Area91.6 sq m
Main Spans1
Year Built1922 (reconstructed 1935)

Traffic

Avg Daily Traffic1,471 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number2180

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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