I-70 Highway over Prairie Dog Creek Drg
Thomas County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 Highway over Prairie Dog Creek Drg in Thomas County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 6,200 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 29 of the 82 inventoried bridges in Thomas County rated fair (35.4%); 2 (2.4%) 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 April 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 → (39.36556, -101.16611)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 2.02 Mi East of US-24 |
| NBI structure number | 999907000970121 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Kansas department of transportation.
Busiest bridges in Thomas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K25 Hwy over Prairie Dog Creek Drg | 1965 | 7,096 | Fair |
| US24 Hwy over Prairie Dog Creek Drg | 1938 | 6,605 | Good |
| I70 Hwy Wl-el over S Fork Solomon River | 1966 | 6,400 | Poor |
| I-70 Highway over N Fork Solomon River | 1965 | 6,350 | Good |
| I-70 Hwy Westbound over Union Pacific Railroad | 1965 | 6,350 | Good |
| I-70 Hwy Eastbound over Union Pacific Railroad | 1965 | 6,350 | Good |
All bridges nearby: Thomas County, KS bridge conditions · every bridge in Thomas County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.