Structure W290032NNDOT634 · Middlesex County, MA

HWY Church ST over Other Central Rail Trail

Carries HWY Church ST over Other Central Rail Trail, .32 Km Nely Conant RD.

Overall conditionFair

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

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT75 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 6/9

75 ft end to end, longest span 36 ft. 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 deck arch.

Built1911115 years old
Length75.1 ft22.9 m
Daily traffic7,758counted 2023
Last inspectedJanuary 2025every 24 months

Location

StateMassachusetts
CountyMiddlesex
Location.32 Km Nely Conant RD
CarriesHWY Church ST
CrossesOther Central Rail Trail
Coordinates42.37180, -71.29387

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length75.1 ft (22.9 m)
Max Span36.1 ft (11 m)
Deck Width43.0 ft (13.1 m)
Deck Area300.0 sq m
Main Spans2
Year Built1911

Traffic

Avg Daily Traffic7,758 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure NumberW290032NNDOT634

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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