Structure B1101430ADOTNBI · Essex County, MA

HWY Standley ST over St128

Carries HWY Standley ST over St128, 1.2 Miles S Grapevine Rd..

Overall conditionFair

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

How ratings work
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT190 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 5/9 · sets the rating

190 ft end to end, longest span 50 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 rigid-frame bridge.

Built195274 years old
Length190.0 ft57.9 m
Daily traffic2,844counted 2019
Last inspectedNovember 2023every 24 months

Location

StateMassachusetts
CountyEssex
Location1.2 Miles S Grapevine Rd.
CarriesHWY Standley ST
CrossesSt128
Coordinates42.57292, -70.84668

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length190.0 ft (57.9 m)
Max Span49.9 ft (15.2 m)
Deck Width40.4 ft (12.3 m)
Deck Area712.2 sq m
Main Spans2
Year Built1952

Traffic

Avg Daily Traffic2,844 (2019)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberB1101430ADOTNBI

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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