ST 3 over HWY Union ST N Rotary
Poor Condition69 years old204,310 vehicles/day
Location
| State | Massachusetts |
| County | Norfolk |
| Location | ST 3 At Union ST |
| Carries | ST 3 |
| Crosses | HWY Union ST N Rotary |
| Coordinates | 42.21144, -70.99677 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 144.0 ft (43.9 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 116.5 ft (35.5 m) |
| Deck Area | 1558.5 sq m |
| Main Spans | 3 |
| Year Built | 1957 (reconstructed 1978) |
Traffic
| Avg Daily Traffic | 204,310 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B2103334MDOTNBI |