ST 3 A/prncetn ST over Comb Bmrr & Stony Brook
Fair Condition70 years old21,207 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 1.25 Mi N Drum Hill |
| Carries | ST 3 A/prncetn ST |
| Crosses | Comb Bmrr & Stony Brook |
| Coordinates | 42.63567, -71.37901 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 87.9 ft (26.8 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 383.2 sq m |
| Main Spans | 2 |
| Year Built | 1956 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 21,207 (2019) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | C080032MYDOT634 |