Structure F010023PHDOTNBI · Bristol County, MA

US 6 (middle Brg) over Water Acushnet River

Carries US 6 (middle Brg) over Water Acushnet River, .4 Mi W Of Nbed C.l..

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT390 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

390 ft end to end, longest span 83 ft: about 5 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 girder bridge.

Built1901rebuilt 1996
Length390.1 ft118.9 m
Daily traffic32,200counted 2023
Last inspectedMay 2023every 24 months

Location

StateMassachusetts
CountyBristol
Location.4 Mi W Of Nbed C.l.
CarriesUS 6 (middle Brg)
CrossesWater Acushnet River
Coordinates41.63954, -70.91676

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length390.1 ft (118.9 m)
Max Span83.0 ft (25.3 m)
Deck Width71.2 ft (21.7 m)
Deck Area2580.1 sq m
Main Spans5
Year Built1901 (reconstructed 1996)

Traffic

Avg Daily Traffic32,200 (2023)
Truck Traffic6%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure NumberF010023PHDOTNBI

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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