HWY Mountain AVE over Comb Mbta/bmrr & Orange
Fair Condition136 years old3,000 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | Btwn Summer & Washington |
| Carries | HWY Mountain AVE |
| Crosses | Comb Mbta/bmrr & Orange |
| Coordinates | 42.42987, -71.07307 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 94.5 ft (28.8 m) |
| Max Span | 92.5 ft (28.2 m) |
| Deck Width | 52.8 ft (16.1 m) |
| Deck Area | 463.7 sq m |
| Main Spans | 1 |
| Year Built | 1890 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 3,000 (1997) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | Other State Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | M010054UTMBTNBI |