Structure 3735 · Penobscot County, ME

Edinburg RD over Hemlock Stream

Carries Edinburg RD over Hemlock Stream, 4 Mi S Of Edinburg.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 5/9

28 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 rigid-frame bridge.

Built194086 years old
Length27.6 ft8.4 m
Daily traffic267counted 2016
Last inspectedJuly 2024every 24 months

Location

StateMaine
CountyPenobscot
Location4 Mi S Of Edinburg
CarriesEdinburg RD
CrossesHemlock Stream
Coordinates45.08528, -68.67156

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length27.6 ft (8.4 m)
Max Span24.9 ft (7.6 m)
Deck Width25.3 ft (7.7 m)
Deck Area64.7 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic267 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number3735

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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