I 93 SB Bt 61-b5 over Rr Bmrr
Fair Condition56 years old85,975 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | 0.24 Mi S Of Cambridge ST |
| Carries | I 93 SB Bt 61-b5 |
| Crosses | Rr Bmrr |
| Coordinates | 42.37972, -71.07648 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 486.9 ft (148.4 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 2582.2 sq m |
| Main Spans | 6 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 85,975 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B162813BVDOTNBI |