HWY Boston ST over Tr Amtrak & Red Line
Poor Condition49 years old15,300 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | .04 M.of I93 |
| Carries | HWY Boston ST |
| Crosses | Tr Amtrak & Red Line |
| Coordinates | 42.32770, -71.05815 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 72.5 ft (22.1 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 449.8 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 15,300 (2012) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 12 months |
| Owner | Other State Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B161284VLMBTNBI |