K-18 Hwy over Antelope Creek Drg
Wabaunsee County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K-18 Hwy over Antelope Creek Drg in Wabaunsee County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 862 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 89 of the 242 inventoried bridges in Wabaunsee County rated good (36.8%); 25 (10.3%) 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 May 2023, on a 24-month routine inspection cycle.
- 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 → (39.15194, -96.33028)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 51 ft |
| Location | 3.64 Mi E of Riley Cl |
| NBI structure number | 999901800991101 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| 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 Wabaunsee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-70 Highway EB over Dry Creek | 2003 | 11,271 | Good |
| I-70 Highway WB over Keene Road | 2003 | 11,271 | Good |
| I-70 Highway EB over Keene Road | 2003 | 11,271 | Good |
| I-70 Highway WB over Hudson Ranch Road | 2003 | 11,271 | Good |
| I-70 Highway EB over Hudson Ranch Road | 2003 | 11,271 | Good |
| I-70 Highway WB over Dry Creek | 2003 | 11,220 | Fair |
All bridges nearby: Wabaunsee County, KS bridge conditions · every bridge in Wabaunsee County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.