Structure N1400106TMUNNBI · Berkshire County, MA

HWY Ashton AVE over Water Hoosic River

Carries HWY Ashton AVE over Water Hoosic River, 450 S Of Jct W/mass AVE.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

95 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 box-beam bridge.

Built198541 years old
Length95.1 ft29 m
Daily traffic2,350counted 2013
Last inspectedJuly 2023every 24 months

Location

StateMassachusetts
CountyBerkshire
Location450 S Of Jct W/mass AVE
CarriesHWY Ashton AVE
CrossesWater Hoosic River
Coordinates42.70309, -73.16828

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length95.1 ft (29 m)
Max Span86.6 ft (26.4 m)
Deck Width40.4 ft (12.3 m)
Deck Area356.7 sq m
Main Spans1
Year Built1985

Traffic

Avg Daily Traffic2,350 (2013)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure NumberN1400106TMUNNBI

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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