St146 SB Off Ramp over Water Blackstone River
Good Condition28 years old52,912 vehicles/day
Location
| State | Massachusetts |
| County | Worcester |
| Location | At Exit 17 146sb |
| Carries | St146 SB Off Ramp |
| Crosses | Water Blackstone River |
| Coordinates | 42.20158, -71.77600 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 107.9 ft (32.9 m) |
| Max Span | 107.6 ft (32.8 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 309.3 sq m |
| Main Spans | 1 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 52,912 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | M22044AHBDOTNBI |