NW 120th Ave. over Stream
Harper County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- NW 120th Ave. over Stream in Harper County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1930, making it 95 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 99 of the 373 inventoried bridges in Harper County rated good (26.5%); 32 (8.6%) are rated poor.
- 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 → (37.29364, -98.25783)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 25 ft |
| Location | 3.7N 1.5W of Attica |
| NBI structure number | 000390719006723 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Harper County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K2 Hwy over Spring Creek Drainage | 1959 | 3,406 | Good |
| K-2 Hwy over East Sand Creek Drainage | 1992 | 2,657 | Good |
| K2 Hwy over East Sand Creek Drainage | 1937 | 2,616 | Good |
| K2 Hwy over East Spring Creek | 1937 | 2,616 | Good |
| K2 Hwy over Chikaskia River | 1990 | 2,616 | Good |
| K-2 Hwy over BNSF Railroad | 1992 | 2,544 | Good |
All bridges nearby: Harper County, KS bridge conditions · every bridge in Harper County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.