I 93 NB B16-nb4 over I 93 Sb&cmbrg&mbta/bmrr
Fair Condition56 years old76,000 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 1.1 Mi N Of Jct I93&us1 |
| Carries | I 93 NB B16-nb4 |
| Crosses | I 93 Sb&cmbrg&mbta/bmrr |
| Coordinates | 42.38321, -71.07649 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 1232.9 ft (375.8 m) |
| Max Span | 211.9 ft (64.6 m) |
| Deck Width | 71.2 ft (21.7 m) |
| Deck Area | 8154.9 sq m |
| Main Spans | 10 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 76,000 (2018) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B162813E3DOTNBI |