MOUNTAINAVE(CR635) over Stream 10-35-4
Union County, New Jersey · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- MOUNTAINAVE(CR635) over Stream 10-35-4 in Union County, New Jersey, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 13,410 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 74 of the 409 inventoried bridges in Union County rated good (18.1%); 16 (3.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.70969, -74.31253)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 46 ft |
| Location | 0.12 Mi SW of Nj 124 |
| NBI structure number | 2017002 |
| Condition class | Good |
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 |
| I-78 over Garden State Parkway | 1976 | 236,895 | Fair |
| Garden St Parkway over Michigan Avenue | 1952 | 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.