K4 Hwy over East Branch Lyon Creek
Dickinson County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K4 Hwy over East Branch Lyon Creek in Dickinson County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 852 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 176 of the 372 inventoried bridges in Dickinson County rated fair (47.3%); 14 (3.8%) are rated poor.
- 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 → (38.69583, -96.99667)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 142 ft |
| Location | 4.17 Mi E K43 |
| NBI structure number | 999900400210811 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Dickinson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 70 Hwy over Chapman Creek | 2021 | 8,750 | Good |
| I 70 Hwy over Chapman Creek | 2021 | 8,750 | Good |
| I-70 Highway over Eden Road | 1960 | 8,750 | Fair |
| I-70 Hwy WB over BNSF Railway | 2006 | 8,550 | Good |
| I-70 Hwy EB over BNSF Railway | 2005 | 8,550 | Good |
| I-70 Hwy WB over Mud Creek | 2006 | 8,550 | Good |
All bridges nearby: Dickinson County, KS bridge conditions · every bridge in Dickinson County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.