St135 Union ST over Water Sudbury River
Good Condition14 years old11,728 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 200 Ft E. Of Chestnut ST |
| Carries | St135 Union ST |
| Crosses | Water Sudbury River |
| Coordinates | 42.25847, -71.45548 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 56.8 ft (17.3 m) |
| Deck Width | 52.5 ft (16 m) |
| Deck Area | 312 sq m |
| Main Spans | 1 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 11,728 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | A14002B7VDOTNBI |