Walker Street over Piscataqua R Back Chan
Fair Condition113 years old7,000 vehicles/day
Location
| State | New Hampshire |
| County | Rockingham |
| Location | 200 M SE Of Sr103 |
| Carries | Walker Street |
| Crosses | Piscataqua R Back Chan |
| Coordinates | 43.08483, -70.74141 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 299.9 ft (91.4 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 50.5 ft (15.4 m) |
| Deck Area | 1407.6 sq m |
| Main Spans | 4 |
| Year Built | 1913 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 7,000 (2011) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | Navy/Marines |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 1NH0BR1 |