W 56TH Ave over K18 Hwy
Riley County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- W 56TH Ave over K18 Hwy in Riley County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2013, making it 12 years old at the 2025 inventory.
- It carries about 600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 128 of the 225 inventoried bridges in Riley County rated good (56.9%); 10 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7.
- Its most recent inspection on record is dated May 2024, 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 → (39.12972, -96.67333)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 196 ft |
| Location | 1.56 Mi NE of K-114 |
| NBI structure number | 999901800810751 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Riley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K-113 Hwy over Wildcat Creek | 1993 | 22,777 | Good |
| K113 Hwy over Anderson Ave | 1968 | 16,683 | Good |
| Kimball Ave over Drainage Ditch | 2021 | 11,780 | Good |
| K-18 over Wildcat Creek | 2021 | 11,589 | Good |
| K-18 Hwy WB over K-113 Hwy | 2007 | 11,539 | Good |
| K-18 Hwy EB over K-113 Hwy | 2004 | 11,539 | Good |
All bridges nearby: Riley County, KS bridge conditions · every bridge in Riley County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.