I-78 over Garden State Parkway
Union County, New Jersey · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-78 over Garden State Parkway in Union County, New Jersey, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1976 and reconstructed in 2010, making it 49 years old at the 2025 inventory.
- It carries about 236,895 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 319 of the 409 inventoried bridges in Union County rated fair (78.0%); 16 (3.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.70513, -74.24636)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 259 ft |
| Location | 5.51 Mi West of I-95 |
| NBI structure number | 2011160 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Jersey department of transportation.
Busiest bridges in Union County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Parkway N/S over Elizabeth River | 1952 | 287,498 | Good |
| Gsp over Br Rahway River & Mains | 1947 | 278,487 | Fair |
| Gsp over Rahway River | 1948 | 247,670 | Fair |
| Nj Turnpike over Central Railroad of Nj | 1950 | 246,243 | Fair |
| Garden St Parkway over Michigan Avenue | 1952 | 227,167 | Fair |
| Gsp over Market Street | 1951 | 227,167 | Fair |
All bridges nearby: Union County, NJ bridge conditions · every bridge in Union County · New Jersey bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.