ST 4 SB over US 3 Nb/sb
Fair Condition22 years old14,018 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 2.2 Mi N Of I 495 |
| Carries | ST 4 SB |
| Crosses | US 3 Nb/sb |
| Coordinates | 42.62262, -71.36721 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 164.0 ft (50 m) |
| Max Span | 78.7 ft (24 m) |
| Deck Width | 70.2 ft (21.4 m) |
| Deck Area | 1,070 sq m |
| Main Spans | 2 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 14,018 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | C0801985QDOTNBI |