Cth K over Kelly Brook
Oconto County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth K over Kelly Brook in Oconto County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1992, making it 33 years old at the 2025 inventory.
- It carries about 320 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 65 of the 150 inventoried bridges in Oconto County rated fair (43.3%); 4 (2.7%) 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 October 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 → (44.96568, -88.21542)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 35 ft |
| Location | 0.3M N Jct Cth A |
| NBI structure number | P42092000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Oconto County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41 Sb-ush 141 over Little Suamico River | 1971 | 31,630 | Good |
| Ush 41 Nb-ush 141 over Little Suamico River | 1999 | 15,300 | Good |
| Ush 141 SB over Pensaukee River | 1992 | 8,750 | Fair |
| Ush 141 NB over Pensaukee River | 1992 | 8,750 | Fair |
| Lrd Goatsville Rd over Kelly Brook | 1932 | 8,600 | Fair |
| Ush 141 NB over Oconto River | 2000 | 6,950 | Good |
All bridges nearby: Oconto County, WI bridge conditions · every bridge in Oconto County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.