US 56 Hwy over Big John Creek
Morris County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 56 Hwy over Big John Creek in Morris County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 1,713 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 101 of the 181 inventoried bridges in Morris County rated fair (55.8%); 24 (13.3%) 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 → (38.66639, -96.45306)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 112 ft |
| Location | 1.93 Mi E Ejct K177 |
| NBI structure number | 999905600640301 |
| 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 Morris County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US56 Hwy over Neosho River | 1984 | 5,858 | Good |
| K177 Hwy over Munkers Creek Drainage | 1934 | 1,642 | Good |
| K-177 over Munkers Creek | 2021 | 1,642 | Good |
| K-177 Hwy over Munkers Creek | 2023 | 1,601 | Good |
| US 56 Hwy over Rock Creek | 2023 | 1,508 | Good |
| US56 Hwy over Clark Creek Drainage | 1931 | 1,416 | Fair |
All bridges nearby: Morris County, KS bridge conditions · every bridge in Morris County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.