I 495 SB Ramp L over Comb Merrimack ST & Mbt
Poor Condition63 years old10,371 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | .16 Km W I495 |
| Carries | I 495 SB Ramp L |
| Crosses | Comb Merrimack ST & Mbt |
| Coordinates | 42.70337, -71.14048 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 2 (Critical) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 395.0 ft (120.4 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 1252.2 sq m |
| Main Spans | 6 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 10,371 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 3 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | L040442XCDOTNBI |