Grade Ln over Northern Ditch
Jefferson County, Kentucky · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Grade Ln over Northern Ditch in Jefferson County, Kentucky, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 12,681 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 78 of the 677 inventoried bridges in Jefferson County rated good (11.5%); 53 (7.8%) 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 January 2024, on a 48-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 → (38.1525, -85.73444)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 59 ft |
| Location | 300 Ft S of Crittenden Dr |
| NBI structure number | 056C00280N |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kentucky department of transportation.
Busiest bridges in Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 & Ramps over I-264 EB on Ramp | 1988 | 168,682 | Fair |
| I-264 over US 31E (bardstown Rd) | 1993 | 166,875 | Fair |
| I-264 over Weicher Creek | 1951 | 166,324 | Fair |
| I-264 over Ky 155 (taylorsville Rd) | 1993 | 163,305 | Fair |
| I-65 over Grade Ln | 1988 | 159,448 | Fair |
| I-65 over Standiford Ln | 1988 | 159,448 | Poor |
All bridges nearby: Jefferson County, KY bridge conditions · every bridge in Jefferson County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.