I 495 NB over Rr Mbta/csx
Poor Condition60 years old40,744 vehicles/day
Location
| State | Massachusetts |
| County | Norfolk |
| Location | .2 Mi S Of Exit 43/rt140 |
| Carries | I 495 NB |
| Crosses | Rr Mbta/csx |
| Coordinates | 42.08744, -71.42478 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 55.1 ft (16.8 m) |
| Deck Area | 215.0 sq m |
| Main Spans | 1 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 40,744 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | F080271VEDOTNBI |