Structure B2701438WMUNNBI · Norfolk County, MA

HWY Grove ST over Other Peat Bog

Carries HWY Grove ST over Other Peat Bog, 27 M. E Of Bellingham RD.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT213 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

213 ft end to end, longest span 30 ft: about 3 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 tee-beam bridge.

Built194185 years old
Length212.9 ft64.9 m
Daily traffic19,500counted 2025
Last inspectedJanuary 2025every 24 months

Location

StateMassachusetts
CountyNorfolk
Location27 M. E Of Bellingham RD
CarriesHWY Grove ST
CrossesOther Peat Bog
Coordinates42.30480, -71.14955

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length212.9 ft (64.9 m)
Max Span29.9 ft (9.1 m)
Deck Width65.0 ft (19.8 m)
Deck Area1285.0 sq m
Main Spans7
Year Built1941

Traffic

Avg Daily Traffic19,500 (2025)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure NumberB2701438WMUNNBI

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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