HWY Merrimack ST over Water Merrimack Canal
Fair Condition203 years old18,000 vehicles/day
Location
| State | Massachusetts |
| County | Middlesex |
| Location | At Dutton ST |
| Carries | HWY Merrimack ST |
| Crosses | Water Merrimack Canal |
| Coordinates | 42.64587, -71.31237 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Masonry |
| Design | Arch - Deck |
| Total Length | 36.1 ft (11 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 73.2 ft (22.3 m) |
| Deck Area | 245.3 sq m |
| Main Spans | 1 |
| Year Built | 1823 (reconstructed 1890) |
Traffic
| Avg Daily Traffic | 18,000 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | L1504687MMUNNBI |