I70 Hwy Nl-sl over Spring Creek Drainage
Trego County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I70 Hwy Nl-sl over Spring Creek Drainage in Trego County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 6,800 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 77 of the 165 inventoried bridges in Trego County rated good (46.7%); 6 (3.6%) are rated poor.
- 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 → (38.95417, -99.60833)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 28 ft |
| Location | 0.79MI W Ellis Co Line |
| NBI structure number | 999907000980331 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Trego County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I70 Hwy WB over US40 Bs Route | 1959 | 6,850 | Fair |
| I70 Hwy EB over US40 Bs Route | 1959 | 6,850 | Good |
| I70 Hwy WB over Local Road | 1959 | 6,850 | Good |
| I70 Hwy EB over Local Road | 1959 | 6,850 | Good |
| I70 Hwy WB over Local Road | 1959 | 6,850 | Good |
| I70 Hwy EB over Local Road | 1959 | 6,850 | Good |
All bridges nearby: Trego County, KS bridge conditions · every bridge in Trego County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.