US 1 Ramp S-tb over Other Relief
Good Condition25 years old15,409 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | I 93 US RT 1 Interchang |
| Carries | US 1 Ramp S-tb |
| Crosses | Other Relief |
| Coordinates | 42.37092, -71.06978 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Segmental Box Girder |
| Total Length | 582.0 ft (177.4 m) |
| Max Span | 169.0 ft (51.5 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 1312.8 sq m |
| Main Spans | 4 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 15,409 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B166118XYDOTNBI |