US36 Hwy over US81 Highway
Republic County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US36 Hwy over US81 Highway in Republic 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 1967, making it 58 years old at the 2025 inventory.
- It carries about 3,437 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 110 of the 267 inventoried bridges in Republic County rated fair (41.2%); 8 (3.0%) 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 December 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 → (39.8125, -97.64583)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 198 ft |
| Location | Jct US81/US36 |
| NBI structure number | 999903600790111 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Republic County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M Street over Mid States Port Auth. RR | 1987 | 6,000 | Good |
| U-81 Hwy over Riley Creek | 2000 | 5,787 | Good |
| US36 Hwy over Riley Creek | 2014 | 3,437 | Good |
| U-81 Hwy SB over Kyle RR & Local Rd | 2000 | 3,047 | Good |
| U-81 Hwy NB over Kyle RR & Local Rd | 2000 | 3,047 | Good |
| US-81 Highway SB over West Creek Drainage | 1999 | 2,981 | Good |
All bridges nearby: Republic County, KS bridge conditions · every bridge in Republic County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.