Sth 50 over Kilbourn Road Ditch
Kenosha County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 50 over Kilbourn Road Ditch in Kenosha County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1962 and reconstructed in 2014, making it 63 years old at the 2025 inventory.
- It carries about 32,400 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 34 of the 110 inventoried bridges in Kenosha County rated fair (30.9%); 5 (4.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (culvert 7 to 5).
- Its most recent inspection on record is dated September 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 → (42.56739, -87.94631)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 51 ft |
| Location | 0.3 Mi E Jct Ih 94 |
| NBI structure number | B30003200000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Kenosha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 41 SB/94 EB over Cth K | 2012 | 50,500 | Good |
| Ih 41 SB/94 EB over Sth 158 | 2012 | 50,500 | Good |
| Ih 41 SB/94 EB over Lrd 71ST St | 2012 | 50,500 | Good |
| Ih 41 SB/94 EB over Cth C | 2009 | 49,450 | Fair |
| Ih 41 NB/94 WB over Cth C | 2010 | 49,450 | Fair |
| Ih 41 SB/94 EB over Des Plaines River | 2009 | 49,450 | Fair |
All bridges nearby: Kenosha County, WI bridge conditions · every bridge in Kenosha County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.