Structure 5253 · Penobscot County, ME

Kenduskeag RD over Black Stream

Carries Kenduskeag RD over Black Stream, 0.1 Mi NE Of Jct RTE 222.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

56 ft end to end, longest span 25 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.

Built195076 years old
Length56.4 ft17.2 m
Daily traffic1,763counted 2016
Last inspectedMay 2024every 24 months

Location

StateMaine
CountyPenobscot
Location0.1 Mi NE Of Jct RTE 222
CarriesKenduskeag RD
CrossesBlack Stream
Coordinates44.87010, -68.93164

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length56.4 ft (17.2 m)
Max Span24.9 ft (7.6 m)
Deck Width25.9 ft (7.9 m)
Deck Area135.9 sq m
Main Spans2
Year Built1950

Traffic

Avg Daily Traffic1,763 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5253

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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