Structure 1429 · Penobscot County, ME

I 95 SB over M C Rr & Perry RD

Carries I 95 SB over M C Rr & Perry RD, 0.2 Mi SW Of I95 / I395.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT249 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 5/9 · sets the rating

249 ft end to end, longest span 84 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built1962rebuilt 2018
Length249.3 ft76 m
Daily traffic16,610counted 2016
Last inspectedApril 2024every 24 months

Location

StateMaine
CountyPenobscot
Location0.2 Mi SW Of I95 / I395
CarriesI 95 SB
CrossesM C Rr & Perry RD
Coordinates44.78388, -68.81118

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length249.3 ft (76 m)
Max Span83.7 ft (25.5 m)
Deck Width44.9 ft (13.7 m)
Deck Area1041.2 sq m
Main Spans4
Year Built1962 (reconstructed 2018)

Traffic

Avg Daily Traffic16,610 (2016)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number1429

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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