N. Ryan Rd over Trib to Slate Creek
Sumner County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N. Ryan Rd over Trib to Slate Creek in Sumner 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 2000, making it 25 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2012).
- Its listed owner is the county highway agency.
- It is one of 331 of the 658 inventoried bridges in Sumner County rated good (50.3%); 16 (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 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 → (37.41821, -97.66051)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 1.2 N 1 W Conway Springs |
| NBI structure number | 000960785006569 |
| 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) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Sumner County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 Hwy SB (kta) over K-53 Hwy | 1956 | 12,849 | Good |
| I-35 Hwy NB (kta) over K-53 Hwy | 1956 | 12,849 | Good |
| U-160 Hwy over Hargis Creek | 2024 | 11,788 | Good |
| I-35 Hwy SB (kta) over BNSF Railway | 1956 | 11,227 | Fair |
| I-35 Hwy NB (kta) over BNSF Railway | 1956 | 11,227 | Fair |
| I-35 Hwy SB (kta) over Ninnescah River | 1956 | 11,227 | Fair |
All bridges nearby: Sumner County, KS bridge conditions · every bridge in Sumner County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.