Zigzag Road over Middle Fork Lake Creek
Wallace County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Zigzag Road over Middle Fork Lake Creek in Wallace County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1940, making it 85 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 17 of the 44 inventoried bridges in Wallace County rated fair (38.6%); 1 (2.3%) 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 June 2023, 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 → (39.06115, -101.75373)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 26 ft |
| Location | 11.0N 0.9W Sharon Springs |
| NBI structure number | 001000343104300 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Wallace County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K-27 Hwy over Eagletail Creek | 2006 | 2,360 | Good |
| K-27 Highway over Smoky Hill River | 1955 | 1,262 | Fair |
| US40 Hwy over Eagle Trail Creek Drg | 1961 | 1,222 | Good |
| U-40 Hwy over Sth Fk Smoky Hill River | 2024 | 1,222 | Good |
| K27 Hwy over N Fork Ladder Creek | 1957 | 1,139 | Fair |
| K27 Hwy over South Fork Lake Creek | 1957 | 1,088 | Fair |
All bridges nearby: Wallace County, KS bridge conditions · every bridge in Wallace County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.