ST 3 SB over US 3 SB Connector
Good Condition22 years old42,200 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 0.25 Mi Sly Nh Line |
| Carries | ST 3 SB |
| Crosses | US 3 SB Connector |
| Coordinates | 42.69724, -71.44787 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 137.5 ft (41.9 m) |
| Max Span | 132.2 ft (40.3 m) |
| Deck Width | 78.7 ft (24 m) |
| Deck Area | 1005.6 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 42,200 (2018) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | T09022854DOTNBI |