Structure 2529 · Kennebec County, ME

Robbins RD over 15 Mile Stream

Carries Robbins RD over 15 Mile Stream, 0.1 Mi E Of Drake Hill RD.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

39 ft end to end, longest span 18 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 a slab bridge.

Built193195 years old
Length39.4 ft12 m
Daily traffic143counted 2016
Last inspectedOctober 2024every 24 months

Location

StateMaine
CountyKennebec
Location0.1 Mi E Of Drake Hill RD
CarriesRobbins RD
Crosses15 Mile Stream
Coordinates44.48111, -69.43261

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length39.4 ft (12 m)
Max Span18.0 ft (5.5 m)
Deck Width24.6 ft (7.5 m)
Deck Area90 sq m
Main Spans2
Year Built1931

Traffic

Avg Daily Traffic143 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number2529

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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