I 495 SB over Rr Mbta/bmrr
Good Condition67 years old43,698 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 0.5 Mi N Of RT 2 |
| Carries | I 495 SB |
| Crosses | Rr Mbta/bmrr |
| Coordinates | 42.52487, -71.50523 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 61.0 ft (18.6 m) |
| Deck Width | 63.6 ft (19.4 m) |
| Deck Area | 1065.1 sq m |
| Main Spans | 3 |
| Year Built | 1959 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 43,698 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L1302327NDOTNBI |