Structure L1801931ADOTNBI · Essex County, MA

St107 Western AVE over Water Glenmere Lake

Carries St107 Western AVE over Water Glenmere Lake, .64 Km S Salem City Line.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT521 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

521 ft end to end, longest span 7 ft: about 7 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 multi-beam bridge.

Built1921105 years old
Length521.0 ft158.8 m
Daily traffic25,200counted 2018
Last inspectedAugust 2024every 24 months

Location

StateMassachusetts
CountyEssex
Location.64 Km S Salem City Line
CarriesSt107 Western AVE
CrossesWater Glenmere Lake
Coordinates42.48607, -70.94035

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length521.0 ft (158.8 m)
Max Span6.9 ft (2.1 m)
Deck Width49.9 ft (15.2 m)
Deck Area2413.8 sq m
Main Spans74
Year Built1921

Traffic

Avg Daily Traffic25,200 (2018)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberL1801931ADOTNBI

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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