Lrd 170th ST over Trade River
PoorPosted for loadPolk County, Wisconsin · 1.4M N JCT Cth B · Structure no. P48003800000000
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Wood or Timber
- Length
- 32 ft
- 1 main span
- Daily traffic
- 43
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Lrd 170th ST over Trade River is a wood or timber slab carrying Lrd 170th ST over Trade River in Polk County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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. Its operating status is: posted for other load-capacity restriction.
It carries about 43 vehicles a day, projected to reach 47 by 2043. The structure is 32 ft (9.9 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lrd 170th ST over Trade River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Lrd 170th ST over Trade River 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 April 2024.
How much traffic does Lrd 170th ST over Trade River carry?
About 43 vehicles per day (2024 count).
How long is Lrd 170th ST over Trade River?
The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.6 m) and a deck 29 ft wide.
Who owns Lrd 170th ST over Trade River?
It is owned by the Town or Township Highway Agency.