I 495 NB over HWY River RD
Fair Condition63 years old49,446 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | @mm 65.6 |
| Carries | I 495 NB |
| Crosses | HWY River RD |
| Coordinates | 42.37165, -71.59605 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 133.9 ft (40.8 m) |
| Max Span | 65.3 ft (19.9 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 697.7 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 49,446 (2023) |
| Truck Traffic | 23% |
| 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 | H2501727HDOTNBI |