Structure M1900205NMUNNBI · Hampshire County, MA

HWY Town Hill RD over Water Factory Brook

Carries HWY Town Hill RD over Water Factory Brook, 0.3mi S Of Reservoir RD.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 6/9

47 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.

Built1911rebuilt 1953
Length46.9 ft14.3 m
Daily traffic300counted 2008
Last inspectedMay 2024every 12 months

Location

StateMassachusetts
CountyHampshire
Location0.3mi S Of Reservoir RD
CarriesHWY Town Hill RD
CrossesWater Factory Brook
Coordinates42.34263, -73.03325

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length46.9 ft (14.3 m)
Max Span42.0 ft (12.8 m)
Deck Width17.1 ft (5.2 m)
Deck Area74.4 sq m
Main Spans1
Year Built1911 (reconstructed 1953)

Traffic

Avg Daily Traffic300 (2008)
Truck Traffic6%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerTown/Township Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure NumberM1900205NMUNNBI

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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