K177 Hwy over Rock Creek
Chase County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K177 Hwy over Rock Creek in Chase 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 1956, making it 69 years old at the 2025 inventory.
- It carries about 482 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 85 of the 191 inventoried bridges in Chase County rated fair (44.5%); 14 (7.3%) 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 October 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (38.26639, -96.545)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 237 ft |
| Location | 14.10 Mi N Butler Coln |
| NBI structure number | 999917700090331 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Chase County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rs 92 over Collet Creek | 1955 | 120,128 | Fair |
| I-35 Hwy SB (kta) over S. Fork Cottonwood River | 1956 | 9,014 | Good |
| I-35 Hwy NB (kta) over S. Fork Cottonwood River | 1956 | 9,014 | Good |
| I-35 Hwy SB (kta) over Little Cedar Creek | 1956 | 9,014 | Good |
| I-35 Hwy NB (kta) over Little Cedar Creek | 1956 | 9,014 | Good |
| I35 Hwy (kta)el-wl over Shaw Creek | 1955 | 9,014 | Good |
All bridges nearby: Chase County, KS bridge conditions · every bridge in Chase County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.