I 495 NB over ST 38 Main ST
Fair Condition65 years old65,434 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | RT 495 At RT 38 |
| Carries | I 495 NB |
| Crosses | ST 38 Main ST |
| Coordinates | 42.62769, -71.27182 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 138.1 ft (42.1 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 732.5 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 65,434 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
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 | T030152JRDOTNBI |