I-93 SB over Coal Hill RD Gale River
Fair Condition67 years old2,638 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | 1.9 Mi Sugarhill Tl |
| Carries | I-93 SB |
| Crosses | Coal Hill RD Gale River |
| Coordinates | 44.21840, -71.72906 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 157.2 ft (47.9 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 48.9 ft (14.9 m) |
| Deck Area | 713.7 sq m |
| Main Spans | 3 |
| Year Built | 1959 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 2,638 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 008700770011500 |