Nj 15 NB over Main Street
Sussex County, New Jersey · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nj 15 NB over Main Street in Sussex County, New Jersey, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1973 and reconstructed in 2020, making it 52 years old at the 2025 inventory.
- It carries about 11,425 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 41 of the 172 inventoried bridges in Sussex County rated good (23.8%); 15 (8.7%) 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 July 2024, on a 24-month routine inspection cycle.
- 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 → (41.04137, -74.6304)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 69 ft |
| Location | 0.2 Mile South of CR 517 |
| NBI structure number | 1913154 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| 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 Sussex County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 over Musconetcong River | 1972 | 61,525 | Fair |
| I-80 EB over Waterloo Road (CR 604) | 1973 | 39,468 | Fair |
| I-80 WB over Waterloo Road (CR 604) | 1973 | 39,468 | Fair |
| Nj 15 over Ny Susquehanna West.rr | 2003 | 28,918 | Good |
| Nj 23 over Br. Franklin Lake | 1948 | 25,140 | Fair |
| US 206 over Lubbers Run | 2014 | 24,475 | Fair |
All bridges nearby: Sussex County, NJ bridge conditions · every bridge in Sussex County · New Jersey bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.