I 495 SB over US 3
Fair Condition22 years old61,400 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | RT 495 At RT 3 |
| Carries | I 495 SB |
| Crosses | US 3 |
| Coordinates | 42.60743, -71.32571 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 314.6 ft (95.9 m) |
| Max Span | 77.8 ft (23.7 m) |
| Deck Width | 96.1 ft (29.3 m) |
| Deck Area | 2809.9 sq m |
| Main Spans | 4 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 61,400 (2019) |
| Truck Traffic | 10% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | C08029AYEDOTNBI |