I 495 NB over St225 Concord RD
Fair Condition67 years old56,013 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | Mm 81.7 Of 495 NB |
| Carries | I 495 NB |
| Crosses | St225 Concord RD |
| Coordinates | 42.55571, -71.44955 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 138.1 ft (42.1 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 58.1 ft (17.7 m) |
| Deck Area | 745.2 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 56,013 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | W2601827TDOTNBI |