ST 4 North RD over I 495
Fair Condition67 years old33,500 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | RT 4 At RT 495 |
| Carries | ST 4 North RD |
| Crosses | I 495 |
| Coordinates | 42.60308, -71.35393 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 155.8 ft (47.5 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 53.5 ft (16.3 m) |
| Deck Area | 774.2 sq m |
| Main Spans | 2 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 33,500 (2015) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | C080372K7DOTNBI |