County Highway over Ainsworth Irrig Canal
Brown County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Highway over Ainsworth Irrig Canal in Brown County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2003).
- Its listed owner is the county highway agency.
- It is one of 27 of the 56 inventoried bridges in Brown County rated fair (48.2%); 3 (5.4%) are rated poor.
- 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 → (42.6217, -99.9705)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 3N 4E of Johnstown |
| NBI structure number | C000922515 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Brown County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US20 over Long Pine Creek | 1983 | 2,425 | Good |
| US20 over Sand Draw Creek | 1978 | 1,645 | Good |
| US20 over Stream | 1932 | 1,645 | Good |
| US20 over Stream | 1932 | 1,645 | Good |
| US20 over Plum Creek | 1989 | 1,335 | Good |
| N7 over Calamus River | 1991 | 525 | Good |
All bridges nearby: Brown County, NE bridge conditions · every bridge in Brown County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.