Structure M020142UDDOTNBI · Essex County, MA

St128 SB over HWY Pine ST

Carries St128 SB over HWY Pine ST, .8 Mi N Manchester Town H.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT87 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

87 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.

Built1953rebuilt 1982
Length86.9 ft26.5 m
Daily traffic21,920counted 2024
Last inspectedOctober 2024every 24 months

Location

StateMassachusetts
CountyEssex
Location.8 Mi N Manchester Town H
CarriesSt128 SB
CrossesHWY Pine ST
Coordinates42.59050, -70.79360

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length86.9 ft (26.5 m)
Max Span84.0 ft (25.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area355.1 sq m
Main Spans1
Year Built1953 (reconstructed 1982)

Traffic

Avg Daily Traffic21,920 (2024)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberM020142UDDOTNBI

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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