ST 4 Great RD over Water Shawsheen River
Fair Condition123 years old37,000 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | 1.25 Mi NW RT 128 & Bdfrd |
| Carries | ST 4 Great RD |
| Crosses | Water Shawsheen River |
| Coordinates | 42.48627, -71.26173 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 148.7 sq m |
| Main Spans | 1 |
| Year Built | 1903 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 37,000 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | B040012K5DOTNBI |