I 495 SB over HWY Donald Lynch BLVD
Fair Condition63 years old54,415 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | .1mi. N.w. Of I-290 |
| Carries | I 495 SB |
| Crosses | HWY Donald Lynch BLVD |
| Coordinates | 42.36647, -71.59398 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 125.7 ft (38.3 m) |
| Max Span | 60.4 ft (18.4 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 654.9 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 54,415 (2018) |
| Truck Traffic | 15% |
| Lanes On Bridge | 4 |
| 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 | M06007282DOTNBI |