I 495 SB over HWY Middle RD
Fair Condition62 years old32,629 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | 1.6 Km N St110 |
| Carries | I 495 SB |
| Crosses | HWY Middle RD |
| Coordinates | 42.80632, -71.03360 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 124.7 ft (38 m) |
| Max Span | 47.2 ft (14.4 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 649.8 sq m |
| Main Spans | 3 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 32,629 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | H120362WXDOTNBI |