K30 Hwy over Drainage Ditch
Wabaunsee County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K30 Hwy over Drainage Ditch in Wabaunsee County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976 and reconstructed in 1991, making it 49 years old at the 2025 inventory.
- It carries about 1,077 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 128 of the 242 inventoried bridges in Wabaunsee County rated fair (52.9%); 25 (10.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 6 to 5.
- Its most recent inspection on record is dated January 2025, 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 → (39.07611, -96.03917)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 38 ft |
| Location | 1.22 Mi N I70 |
| NBI structure number | 999903000990701 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| 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.