I 93 SB over Comb I90 & Amtrak
Fair Condition26 years old116,881 vehicles/day
Location
| State | Massachusetts |
| County | Suffolk |
| Location | Unit 4 |
| Carries | I 93 SB |
| Crosses | Comb I90 & Amtrak |
| Coordinates | 42.34624, -71.06091 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Segmental Box Girder |
| Total Length | 633.9 ft (193.2 m) |
| Max Span | 205.4 ft (62.6 m) |
| Deck Width | 57.4 ft (17.5 m) |
| Deck Area | 3,381 sq m |
| Main Spans | 4 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 116,881 (2018) |
| Truck Traffic | 9% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B166569Q6DOTNBI |