ST 1 A/n Shore RD over ST 1 A/ramp A&b
Fair Condition54 years old34,214 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 4.8 Km NE Jct SR 60&sr1a |
| Carries | ST 1 A/n Shore RD |
| Crosses | ST 1 A/ramp A&b |
| Coordinates | 42.44018, -70.96869 |
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 | 108.9 ft (33.2 m) |
| Max Span | 103.7 ft (31.6 m) |
| Deck Width | 89.2 ft (27.2 m) |
| Deck Area | 903.0 sq m |
| Main Spans | 1 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 34,214 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | R0505439HDOTNBI |