Ky-140 over Porters Ditch
McLean County, Kentucky · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ky-140 over Porters Ditch in McLean County, Kentucky, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1938, making it 87 years old at the 2025 inventory.
- It carries about 260 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 8 of the 75 inventoried bridges in McLean County rated poor (10.7%); 8 (10.7%) 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 August 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (37.60389, -87.32139)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 30 ft |
| Location | .20 Mi Nor. of Jct Ky 136 |
| NBI structure number | 075B00041N |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | August 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 McLean County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-431 over Branch Buck Creek | 1926 | 6,309 | Fair |
| US-431 over Branch Buck Creek | 1926 | 6,309 | Fair |
| US-431 over Buck Creek | 1968 | 6,309 | Fair |
| US-431 over Green River & Rough Rive | 1939 | 5,663 | Fair |
| US-431 over Unnamed Stream to Green | 1952 | 5,271 | Fair |
| US-431 over Swamp Opposite L & N.r.r | 1952 | 4,923 | Fair |
All bridges nearby: McLean County, KY bridge conditions · every bridge in McLean County · Kentucky bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.