I 93 Ramp Sn over Comb Mbta & Orange Line
Good Condition27 years old11,575 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | I93 Us1 Interchange |
| Carries | I 93 Ramp Sn |
| Crosses | Comb Mbta & Orange Line |
| Coordinates | 42.38046, -71.07751 |
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 | 862.9 ft (263 m) |
| Max Span | 152.9 ft (46.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 2077.7 sq m |
| Main Spans | 6 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 11,575 (2016) |
| Truck Traffic | 4% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 922 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B166059TTDOTNBI |