St117 Main ST over I 95 /st128
Poor Condition64 years old18,600 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 0.5 Mi Nly RT 20 |
| Carries | St117 Main ST |
| Crosses | I 95 /st128 |
| Coordinates | 42.37670, -71.26654 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 3 (Serious) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 60.7 ft (18.5 m) |
| Deck Area | 1228.4 sq m |
| Main Spans | 4 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 18,600 (2018) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 6 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | W040282K3DOTNBI |