Structure 42B00299N · Graves County, KY
Carries Us-45 over Unknown Stream, .5 Mi South Ky 1763.
A culvert 24 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.
| State | Kentucky |
| County | Graves |
| Location | .5 Mi South Ky 1763 |
| Carries | Us-45 |
| Crosses | Unknown Stream |
| Coordinates | 36.59944, -88.78722 |
| Material | Aluminum/Wrought Iron/Cast Iron |
| Design | Culvert |
| Total Length | 24.3 ft (7.4 m) |
| Max Span | 24.3 ft (7.4 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 81.4 sq m |
| Main Spans | 1 |
| Year Built | 2019 |
| Avg Daily Traffic | 1,380 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 4 — Foundations need monitoring |
| Structure Number | 042B00299N |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.