St146 NB over Water Blackstone River
Good Condition29 years old21,856 vehicles/day
Location
| State | Massachusetts |
| County | Worcester |
| Location | .1 Mi. N. Of U.s.-20 |
| Carries | St146 NB |
| Crosses | Water Blackstone River |
| Coordinates | 42.21613, -71.78520 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 670.6 ft (204.4 m) |
| Max Span | 172.2 ft (52.5 m) |
| Deck Width | 52.2 ft (15.9 m) |
| Deck Area | 3250.0 sq m |
| Main Spans | 4 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 21,856 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | M22059AJ1DOTNBI |