Rd. W15 over Long Branch Creek
Norton County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rd. W15 over Long Branch Creek in Norton County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1972 and reconstructed in 2022, making it 53 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 107 of the 243 inventoried bridges in Norton County rated fair (44.0%); 5 (2.1%) 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 February 2024, 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 → (39.90167, -100.17911)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 100 ft |
| Location | 11.5N of Clayton |
| NBI structure number | 000690517003128 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Norton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-36 Hwy over Kyle RR & Local Road | 2004 | 4,414 | Good |
| US36 Hwy over Prairie Dog CR Drg | 2005 | 2,851 | Good |
| US36 Hwy over Robinson Creek | 2004 | 2,851 | Good |
| US36 Hwy over Norton Reservoir Drg | 2004 | 2,598 | Good |
| US 36 Hwy over Prairie Dog Creek | 1988 | 2,109 | Good |
| K-383 Hwy over Wildcat Creek | 1998 | 2,001 | Good |
All bridges nearby: Norton County, KS bridge conditions · every bridge in Norton County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.