HWY Marstn ST NB over I 495 Ramp J
Good Condition24 years old4,500 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | 1/2 Mi. S. Of Cmmnwlth DR |
| Carries | HWY Marstn ST NB |
| Crosses | I 495 Ramp J |
| Coordinates | 42.71000, -71.14028 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 107.3 ft (32.7 m) |
| Max Span | 101.4 ft (30.9 m) |
| Deck Width | 51.2 ft (15.6 m) |
| Deck Area | 510.1 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 4,500 (2017) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | L04052AJKDOTNBI |