Local Rd. G-18 over Harris Creek
Nemaha County, Kansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local Rd. G-18 over Harris Creek in Nemaha County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1910 and reconstructed in 1985, making it 115 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2008).
- Its listed owner is the county highway agency.
- It is one of 37 of the 355 inventoried bridges in Nemaha County rated poor (10.4%); 37 (10.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (deck 6 to 5, superstructure 5 to 4, substructure 6 to 5).
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (39.85478, -95.95812)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 5 | Fair condition |
| Superstructure | 5 | 4 | Poor condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 79 ft |
| Location | 0.5S 1.0W of Oneida |
| NBI structure number | 000660967003201 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Nemaha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-36 Hwy over South F Big Nemaha Riv | 1996 | 3,649 | Good |
| US36 Hwy over Black Vermillion Creek | 1958 | 3,307 | Fair |
| US-36 Hwy over Harris Creek Drainage | 1996 | 3,162 | Good |
| US36 Hwy over Harris Creek Drainage | 1940 | 3,092 | Good |
| US36 Hwy over Cedar Creek | 1940 | 3,092 | Good |
| US36 Hwy over Cedar Creek | 1940 | 3,092 | Good |
All bridges nearby: Nemaha County, KS bridge conditions · every bridge in Nemaha County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.