I 495 NB Ramp N over Comb Sutton ST & Mbta
Poor Condition63 years old13,684 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | Next To I495 |
| Carries | I 495 NB Ramp N |
| Crosses | Comb Sutton ST & Mbta |
| Coordinates | 42.70333, -71.13957 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 384.8 ft (117.3 m) |
| Max Span | 110.9 ft (33.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 1219.9 sq m |
| Main Spans | 6 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 13,684 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | N150182XKDOTNBI |