US 4 over Nhrr
Fair Condition68 years old11,598 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | .1 Mi From Jct. I-93 |
| Carries | US 4 |
| Crosses | Nhrr |
| Coordinates | 43.29105, -71.57475 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 95.1 ft (29 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 59.1 ft (18 m) |
| Deck Area | 522 sq m |
| Main Spans | 3 |
| Year Built | 1958 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 11,598 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 005200410012100 |