I-393 US 4 Us202e over Portsmouth Street
Good Condition48 years old16,231 vehicles/day
Location
| State | New Hampshire |
| County | Merrimack |
| Location | 0.7 Mi E Eastside Drive |
| Carries | I-393 US 4 Us202e |
| Crosses | Portsmouth Street |
| Coordinates | 43.22842, -71.49368 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 130.9 ft (39.9 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 498.8 sq m |
| Main Spans | 1 |
| Year Built | 1978 (reconstructed 2001) |
Traffic
| Avg Daily Traffic | 16,231 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 005201540015000 |