I 93 NB On Ramp over Comb Mystic Av & Pedest
Fair Condition53 years old13,464 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 3.2 Km N Of Jct I93&us1 |
| Carries | I 93 NB On Ramp |
| Crosses | Comb Mystic Av & Pedest |
| Coordinates | 42.39256, -71.08420 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 498.0 ft (151.8 m) |
| Max Span | 86.0 ft (26.2 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 1335.8 sq m |
| Main Spans | 6 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 13,464 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S170333BLDOTNBI |