HWY Ramp 1a/d over HWY Ramp 1a-a
Fair Condition25 years old10,600 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 1.20 Km SE Of Callahan Tu |
| Carries | HWY Ramp 1a/d |
| Crosses | HWY Ramp 1a-a |
| Coordinates | 42.36944, -71.02778 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 656.5 ft (200.1 m) |
| Max Span | 142.4 ft (43.4 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 1580.8 sq m |
| Main Spans | 5 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 10,600 (2001) |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | Other State Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B165619GDMPANBI |