ST 28 N Main ST over Water Shawsheen River
Fair Condition147 years old30,905 vehicles/day
Location
| State | Massachusetts |
| County | Essex |
| Location | .32 Km N Andover Center |
| Carries | ST 28 N Main ST |
| Crosses | Water Shawsheen River |
| Coordinates | 42.66482, -71.14602 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Masonry |
| Design | Arch - Deck |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 66.3 ft (20.2 m) |
| Deck Area | 258.6 sq m |
| Main Spans | 1 |
| Year Built | 1879 (reconstructed 1927) |
Traffic
| Avg Daily Traffic | 30,905 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | A090012YQDOTNBI |