I-93 SB over Bridge Street
Fair Condition49 years old28,328 vehicles/day
Location
| State | New Hampshire |
| County | Hillsborough |
| Location | 1.2 Mi W Jct Nh28 Byp |
| Carries | I-93 SB |
| Crosses | Bridge Street |
| Coordinates | 42.99366, -71.41786 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 379.9 sq m |
| Main Spans | 1 |
| Year Built | 1977 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 28,328 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016101280012400 |