I-78 over Tunnel Road
Fair Condition66 years old108,465 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | 0.44 Mi South Of Nj 173. |
| Carries | I-78 |
| Crosses | Tunnel Road |
| Coordinates | 40.65126, -75.03476 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 129.9 ft (39.6 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 119.4 ft (36.4 m) |
| Deck Area | 1441.4 sq m |
| Main Spans | 2 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 108,465 (2024) |
| Truck Traffic | 14% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1014160 |