State Line Road over Blackmore Creek
Graves County, Kentucky · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Line Road over Blackmore Creek in Graves County, Kentucky, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 158 vehicles a day (traffic count year 2009).
- Its listed owner is the county highway agency.
- It is one of 228 of the 380 inventoried bridges in Graves County rated fair (60.0%); 40 (10.5%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, 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 → (36.5025, -88.67944)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 60 ft |
| Location | .95 Mi West of Ky 303 |
| NBI structure number | 042C00274N |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 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 Graves County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-45 over Key Creek | 1968 | 16,933 | Fair |
| Ky-121 over Red Duck Creek | 1999 | 13,901 | Good |
| Paducah Road over Oak Grove Creek | 1999 | 13,256 | Good |
| Ky. 80 over Unnamed Stream | 2007 | 12,060 | Good |
| Ky-121x over Red Duck Creek | 1984 | 11,705 | Good |
| Jc-9003 over Cane Creek | 1967 | 11,524 | Fair |
All bridges nearby: Graves County, KY bridge conditions · every bridge in Graves County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.