I 93 Ramps Sn Ns over Rr Mbta Bsg Spur
Good Condition27 years old38,735 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | I93/us1 Interchange |
| Carries | I 93 Ramps Sn Ns |
| Crosses | Rr Mbta Bsg Spur |
| Coordinates | 42.37766, -71.07577 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Box Beam - Multiple |
| Total Length | 419.0 ft (127.7 m) |
| Max Span | 147.0 ft (44.8 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 1941.0 sq m |
| Main Spans | 3 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 38,735 (2019) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 122 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B166059TYDOTNBI |