Structure 3408 · Aroostook County, ME

Bancroft RD over Mattawamkeag River

Carries Bancroft RD over Mattawamkeag River, 4.3 Mi NE Of Reed Plt.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

156 ft end to end, longest span 75 ft: about 2 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.

Built198046 years old
Length155.8 ft47.5 m
Daily traffic170counted 2016
Last inspectedMarch 2024every 24 months

Location

StateMaine
CountyAroostook
Location4.3 Mi NE Of Reed Plt
CarriesBancroft RD
CrossesMattawamkeag River
Coordinates45.72080, -67.99175

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length155.8 ft (47.5 m)
Max Span75.1 ft (22.9 m)
Deck Width30.8 ft (9.4 m)
Deck Area446.5 sq m
Main Spans2
Year Built1980

Traffic

Avg Daily Traffic170 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number3408

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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