Structure W330190UADOTNBI · Franklin County, MA

US 5 /st10/state over I 91

Carries US 5 /st10/state over I 91, Mm 32.3 On I-91.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT410 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 6/9

410 ft end to end, longest span 99 ft: about 6 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.

Built196264 years old
Length410.4 ft125.1 m
Daily traffic4,800counted 2018
Last inspectedJune 2024every 12 months

Location

StateMassachusetts
CountyFranklin
LocationMm 32.3 On I-91
CarriesUS 5 /st10/state
CrossesI 91
Coordinates42.43225, -72.62202

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length410.4 ft (125.1 m)
Max Span99.1 ft (30.2 m)
Deck Width40.7 ft (12.4 m)
Deck Area1551.2 sq m
Main Spans5
Year Built1962

Traffic

Avg Daily Traffic4,800 (2018)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberW330190UADOTNBI

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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