US 3 SB over HWY Dunstable RD
Good Condition22 years old77,900 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 1.5 Mi. N. Of RTE 40 |
| Carries | US 3 SB |
| Crosses | HWY Dunstable RD |
| Coordinates | 42.65171, -71.42263 |
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 | 160.8 ft (49 m) |
| Max Span | 156.5 ft (47.7 m) |
| Deck Width | 75.5 ft (23 m) |
| Deck Area | 1,127 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 77,900 (2017) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | T090118HJDOTNBI |