Structure 5791 · Penobscot County, ME

I 95 over Kenduskeag Str&valley Av

Carries I 95 over Kenduskeag Str&valley Av, 0.7 Mi W Jct RTE 15.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT430 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

430 ft end to end, longest span 150 ft: about 6 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 box-beam bridge.

Built1960rebuilt 2003
Length430.1 ft131.1 m
Daily traffic25,340counted 2016
Last inspectedSeptember 2024every 24 months

Location

StateMaine
CountyPenobscot
Location0.7 Mi W Jct RTE 15
CarriesI 95
CrossesKenduskeag Str&valley Av
Coordinates44.81471, -68.78854

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length430.1 ft (131.1 m)
Max Span149.9 ft (45.7 m)
Deck Width68.2 ft (20.8 m)
Deck Area2726.9 sq m
Main Spans3
Year Built1960 (reconstructed 2003)

Traffic

Avg Daily Traffic25,340 (2016)
Truck Traffic5%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5791

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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