I-93 SB over Pemigewasset River
Good Condition62 years old11,571 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | Holderness-plymouth Tl |
| Carries | I-93 SB |
| Crosses | Pemigewasset River |
| Coordinates | 43.76640, -71.68107 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 424.9 ft (129.5 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 55.8 ft (17 m) |
| Deck Area | 2201.5 sq m |
| Main Spans | 3 |
| Year Built | 1964 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 11,571 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
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 | 021601460014000 |