US 1 Sb/bs U11-32 over US 1 Nb/bos Lowr B11-32
Fair Condition76 years old40,790 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | Bos Appr Up |
| Carries | US 1 Sb/bs U11-32 |
| Crosses | US 1 Nb/bos Lowr B11-32 |
| Coordinates | 42.37857, -71.05321 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 2072.2 ft (631.6 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 8021.3 sq m |
| Main Spans | 21 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 40,790 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | B160174WUDOTNBI |