310th Avenue over North Fork Big Creek
Ellis County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 310th Avenue over North Fork Big Creek in Ellis 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 1982, making it 43 years old at the 2025 inventory.
- It carries about 45 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 140 of the 275 inventoried bridges in Ellis County rated good (50.9%); 14 (5.1%) 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 November 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 → (38.88741, -99.2065)
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 | Continuous concrete slab |
| Length | about 143 ft |
| Location | 2.8S 0.5E of Catharine |
| NBI structure number | 000260619004528 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Ellis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| E. 27TH. St. over Chetolah Creek | 1955 | 9,800 | Good |
| E 13TH Street over Chetolah Creek | 1945 | 9,315 | Fair |
| E 27TH St over I70 Hwy Nl-sl | 1964 | 8,835 | Good |
| I70 Hwy WB over Walker Avenue | 1965 | 8,718 | Good |
| I70 Hwy EB over Walker Avenue | 1965 | 8,718 | Good |
| I70 Hwy WB over Walker Creek | 1965 | 8,718 | Good |
All bridges nearby: Ellis County, KS bridge conditions · every bridge in Ellis County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.