ST 1 A over HWY Saratga ST & U Trn
Fair Condition75 years old86,897 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 1.7 Km N Of Callahan Tun |
| Carries | ST 1 A |
| Crosses | HWY Saratga ST & U Trn |
| Coordinates | 42.38155, -71.02323 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 811.0 ft (247.2 m) |
| Max Span | 110.6 ft (33.7 m) |
| Deck Width | 85.6 ft (26.1 m) |
| Deck Area | 6451.9 sq m |
| Main Spans | 10 |
| Year Built | 1951 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 86,897 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B1623639YDOTNBI |