Structure 1406 · Aroostook County, ME

I 95 SB over Route 158 (main St)

Carries I 95 SB over Route 158 (main St), I-95 Interchange 264.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT97 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

97 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 multi-beam bridge.

Built1967rebuilt 1993
Length97.1 ft29.6 m
Daily traffic2,180counted 2016
Last inspectedJuly 2024every 24 months

Location

StateMaine
CountyAroostook
LocationI-95 Interchange 264
CarriesI 95 SB
CrossesRoute 158 (main St)
Coordinates45.87301, -68.41328

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length97.1 ft (29.6 m)
Max Span91.9 ft (28 m)
Deck Width43.0 ft (13.1 m)
Deck Area387.8 sq m
Main Spans1
Year Built1967 (reconstructed 1993)

Traffic

Avg Daily Traffic2,180 (2016)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number1406

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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