St181 Depot ST over Water Swift River
Fair Condition89 years old5,689 vehicles/day
Location
| State | Massachusetts |
| County | Hampshire |
| Location | At Palmer T.l.& Swift Rv |
| Carries | St181 Depot ST |
| Crosses | Water Swift River |
| Coordinates | 42.21363, -72.34577 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 114.5 ft (34.9 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 464.2 sq m |
| Main Spans | 3 |
| Year Built | 1937 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 5,689 (2020) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | B05001127DOTNBI |