US 1 Nb/ Lo Deck over HWY Chrltwn Local Sts
Fair Condition76 years old42,492 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | Bos Appr Lower |
| Carries | US 1 Nb/ Lo Deck |
| Crosses | HWY Chrltwn Local Sts |
| Coordinates | 42.37742, -71.05429 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 1892.1 ft (576.7 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 7324.1 sq m |
| Main Spans | 19 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 42,492 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | B160174WVDOTNBI |