Structure M280400R9MUNNBI · Franklin County, MA

HWY Spldng Bk RD over Water Sawmill River

Carries HWY Spldng Bk RD over Water Sawmill River, 1m E Of Rt63 Nr Leverett.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

28 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 slab bridge.

Built1937rebuilt 1983
Length27.9 ft8.5 m
Daily traffic100counted 2019
Last inspectedJuly 2023every 24 months

Location

StateMassachusetts
CountyFranklin
Location1m E Of Rt63 Nr Leverett
CarriesHWY Spldng Bk RD
CrossesWater Sawmill River
Coordinates42.51469, -72.50603

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length27.9 ft (8.5 m)
Max Span26.6 ft (8.1 m)
Deck Width16.1 ft (4.9 m)
Deck Area41.6 sq m
Main Spans1
Year Built1937 (reconstructed 1983)

Traffic

Avg Daily Traffic100 (2019)
Truck Traffic6%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure NumberM280400R9MUNNBI

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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