Structure N230313V1DOTNBI · Bristol County, MA

St123 E Main ST over Water Canoe River

Carries St123 E Main ST over Water Canoe River, .1mi S Of I-495.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT48 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 5/9

48 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.

Built197848 years old
Length47.9 ft14.6 m
Daily traffic19,525counted 2024
Last inspectedMarch 2024every 12 months

Location

StateMassachusetts
CountyBristol
Location.1mi S Of I-495
CarriesSt123 E Main ST
CrossesWater Canoe River
Coordinates41.98163, -71.16009

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length47.9 ft (14.6 m)
Max Span44.0 ft (13.4 m)
Deck Width92.5 ft (28.2 m)
Deck Area411.7 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic19,525 (2024)
Truck Traffic9%
Lanes On Bridge5

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberN230313V1DOTNBI

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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