US 4 over River Road Bmrr(abd)
Fair Condition68 years old15,071 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.4mi From Concord Tl |
| Carries | US 4 |
| Crosses | River Road Bmrr(abd) |
| Coordinates | 43.29076, -71.59258 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 244.1 ft (74.4 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 56.4 ft (17.2 m) |
| Deck Area | 1279.7 sq m |
| Main Spans | 4 |
| Year Built | 1958 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 15,071 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 002601390004000 |