Structure H210168M3DOTNBI · Hampden County, MA

HWY Lyman ST over Water Second Level Canal

Carries HWY Lyman ST over Water Second Level Canal, At Jct Race St..

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT147 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

147 ft end to end, longest span 71 ft: about 2 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.

Built201016 years old
Length147.3 ft44.9 m
Daily traffic3,724counted 2016
Last inspectedSeptember 2024every 24 months

Location

StateMassachusetts
CountyHampden
LocationAt Jct Race St.
CarriesHWY Lyman ST
CrossesWater Second Level Canal
Coordinates42.20722, -72.60154

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length147.3 ft (44.9 m)
Max Span71.2 ft (21.7 m)
Deck Width56.1 ft (17.1 m)
Deck Area767.8 sq m
Main Spans2
Year Built2010

Traffic

Avg Daily Traffic3,724 (2016)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure NumberH210168M3DOTNBI

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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