I 495 NB over HWY Donald Lynch BLVD
Fair Condition63 years old48,156 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | .1 Mi N Of I-290 |
| Carries | I 495 NB |
| Crosses | HWY Donald Lynch BLVD |
| Coordinates | 42.36711, -71.59358 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 138.5 ft (42.2 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 721.6 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 48,156 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | M06007281DOTNBI |