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I 90 WB On-ramp E over Comb I90 W Onrp A & CSX

Suffolk County, Massachusetts · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (42.35871, -71.12179)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck55Fair condition
Superstructure55Fair condition
Substructure55Fair condition

Bridge details

StructureSteel stringer or multi-beam girder
Lengthabout 173 ft
Locationat Toll Plazas S104A
NBI structure numberB163554RPDOTNBI
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)July 2024
Inspection interval (item 91)24 months
Scour (item 113)N: not over a waterway

Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.

Busiest bridges in Suffolk County

BridgeBuiltVehicles/dayCondition
I 93 /US1/ST3 over Comb Mbta & Red Ln Ssh1957211,123Fair
I 93 /US1/ST3 over Hwy Victory Rd1955193,593Fair
I 93 /US1/ST3 over Hwy Conley St1955193,593Fair
I 93 /US1/ST3 over Comb Mbta & Columbia Rd1958193,500Fair
I 93 /US1/ST3 over Hwy Hallet Street1956190,508Fair
I 93 /US1/ST3 over RR CSX Spur1958188,320Fair

All bridges nearby: Suffolk County, MA bridge conditions · every bridge in Suffolk County · Massachusetts bridges.

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