Cth P over Big Slough Creek
PoorTrempealeau County, Wisconsin · 1.7M E JCT Sth 121 · Structure no. P61009600000000
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 303
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Cth P over Big Slough Creek is a steel stringer/multi-beam or girder carrying Cth P over Big Slough Creek in Trempealeau County, Wisconsin. It was built in 1971, so it is 54 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 303 vehicles a day, projected to reach 333 by 2043. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth P over Big Slough Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Cth P over Big Slough Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does Cth P over Big Slough Creek carry?
About 303 vehicles per day (2022 count).
How long is Cth P over Big Slough Creek?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.
Who owns Cth P over Big Slough Creek?
It is owned by the County Highway Agency.