I-93 NB over Nh 18 Nh135
Good Condition43 years old4,453 vehicles/day
Location
| State | New Hampshire |
| County | Grafton |
| Location | At Jct Nh 18 And Nh 135 |
| Carries | I-93 NB |
| Crosses | Nh 18 Nh135 |
| Coordinates | 44.32968, -71.87436 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 99.1 ft (30.2 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 69.9 ft (21.3 m) |
| Deck Area | 643.3 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 4,453 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
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 | 015301170011100 |