Structure S2407311FDOTNBI · Hampden County, MA

I 291 /us20 over Rr Csx Spur

Carries I 291 /us20 over Rr Csx Spur, 0.2 Mi E Of ST James AVE.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT79 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

79 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.

Built196957 years old
Length78.7 ft24 m
Daily traffic59,482counted 2018
Last inspectedDecember 2023every 24 months

Location

StateMassachusetts
CountyHampden
Location0.2 Mi E Of ST James AVE
CarriesI 291 /us20
CrossesRr Csx Spur
Coordinates42.12961, -72.56080

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length78.7 ft (24 m)
Max Span70.9 ft (21.6 m)
Deck Width141.1 ft (43 m)
Deck Area1,032 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic59,482 (2018)
Truck Traffic10%
Lanes On Bridge6

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberS2407311FDOTNBI

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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