I 495 SB over Rr Pan Am
Poor Condition65 years old68,981 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 0.25 Mi S Of St-38 |
| Carries | I 495 SB |
| Crosses | Rr Pan Am |
| Coordinates | 42.62464, -71.27785 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 175.9 ft (53.6 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 980.9 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 68,981 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 6 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L150862JQDOTNBI |