Structure 5906 · Penobscot County, ME

Forest Av over Interstate 95 NB & SB

Carries Forest Av over Interstate 95 NB & SB, 1 Mi W Jct RTE US 2.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT293 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 6/9Substructure 4/9 · sets the rating

293 ft end to end, longest span 65 ft: about 4 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.

Built196165 years old
Length293.3 ft89.4 m
Daily traffic1,706counted 2016
Last inspectedJuly 2024every 24 months

Location

StateMaine
CountyPenobscot
Location1 Mi W Jct RTE US 2
CarriesForest Av
CrossesInterstate 95 NB & SB
Coordinates44.88960, -68.69340

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length293.3 ft (89.4 m)
Max Span65.0 ft (19.8 m)
Deck Width28.9 ft (8.8 m)
Deck Area786.7 sq m
Main Spans5
Year Built1961

Traffic

Avg Daily Traffic1,706 (2016)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number5906

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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