I 495 SB over HWY River RD
Fair Condition63 years old47,879 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | @mm 65.6 |
| Carries | I 495 SB |
| Crosses | HWY River RD |
| Coordinates | 42.37103, -71.59671 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 141.1 ft (43 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 735.3 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 47,879 (2023) |
| Truck Traffic | 19% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | H2501727JDOTNBI |