Bridge conditions in Hamilton County, Kansas
68 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Hamilton County is one of the counties with a clean sheet: 68 bridges on the federal inventory and not one rated poor. 8 carry a fair rating, which means wear worth watching but no structural deficiency.
- 0 of the 68 bridges in Hamilton County, Kansas, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 60 bridges (88.2%) are rated good and 8 (11.8%) fair.
- The median Hamilton County bridge was built in 1959.
Good 88.2% · Fair 11.8% · Poor 0.0% of 68 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US50 Hwy over Plum Creek | 1939 | 2,780 | Good |
| US50 Hwy over Arkansas River Drainage | 1939 | 2,780 | Good |
| US50 Hwy over Syracuse Creek | 2018 | 2,780 | Good |
| K27 Hwy over Arkansas River | 1952 | 2,770 | Fair |
| US50 Hwy over Arkansas River Drainage | 1933 | 2,709 | Good |
| US50 Hwy over Arkansas River Drainage | 1937 | 2,483 | Good |
| US50 Hwy over Arkansas River Drainage | 1937 | 2,483 | Good |
| US50 Hwy over Arkansas River Drainage | 1939 | 2,483 | Good |
| US50 Hwy over Frontier Ditch | 1939 | 2,483 | Good |
| US50 Hwy over Arkansas River Drainage | 1939 | 2,483 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kansas: Kansas bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.