HWY Walnut ST over Rr Mbta/bmrr
Fair Condition124 years old3,900 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 1.1 Km SW Jct Sr28&3 |
| Carries | HWY Walnut ST |
| Crosses | Rr Mbta/bmrr |
| Coordinates | 42.38638, -71.09349 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 81.7 ft (24.9 m) |
| Max Span | 77.8 ft (23.7 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 306.3 sq m |
| Main Spans | 1 |
| Year Built | 1902 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 3,900 (2019) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | S170063G3DOT634 |