50th RD over Big Sandy Creek
Woodson County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 50th RD over Big Sandy Creek in Woodson County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1956, making it 69 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 73 of the 142 inventoried bridges in Woodson County rated fair (51.4%); 15 (10.6%) 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 September 2024, on a 24-month routine inspection cycle.
- 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 → (37.79239, -95.81347)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 126 ft |
| Location | 233 1.5E Wo. Co. St Lake |
| NBI structure number | 001040985106040 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Woodson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US75 Hwy over S Owl Creek Drainage | 1931 | 3,100 | Good |
| US 75 Hwy over South Owl Creek | 1990 | 3,100 | Good |
| US 75 Hwy over UP R.R. | 1990 | 2,700 | Good |
| US 75 Hwy over E Buffalo CR Drain | 1990 | 2,700 | Good |
| US75 Hwy over Owl Creek | 1959 | 2,683 | Good |
| US75 Hwy over North Owl Creek | 1959 | 2,490 | Fair |
All bridges nearby: Woodson County, KS bridge conditions · every bridge in Woodson County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.