Mill Road over Gridley River
Fair Condition99 years old95 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 0.5 Mi From Jaffrey Tl |
| Carries | Mill Road |
| Crosses | Gridley River |
| Coordinates | 42.81424, -71.96986 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 26.9 ft (8.2 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 47.6 sq m |
| Main Spans | 2 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 95 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 023500530006800 |