K66 Hwy EB over Spring River
Cherokee County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K66 Hwy EB over Spring River in Cherokee County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1964 and reconstructed in 2022, making it 61 years old at the 2025 inventory.
- It carries about 4,096 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 146 of the 325 inventoried bridges in Cherokee County rated good (44.9%); 14 (4.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.07472, -94.69528)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 927 ft |
| Location | 0.50 Mi E US 69 Alt |
| NBI structure number | 999906600110051 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Cherokee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-166 Hwy over Spring River Drainage | 2001 | 7,752 | Good |
| US-166 Hwy over Spring River | 2002 | 7,752 | Good |
| US69 Alt Hwy over Willow Creek | 1961 | 7,336 | Fair |
| US400/US69A Hwys over Brush Creek | 2000 | 6,874 | Good |
| US-400 Hwy over Wolf Creek | 1994 | 6,782 | Good |
| US-400 Hwy over Wolf Creek | 1994 | 6,782 | Good |
All bridges nearby: Cherokee County, KS bridge conditions · every bridge in Cherokee County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.