Lrd W Ridge RD over Koshkonong Creek
PoorDane County, Wisconsin · 1.1M W JCT Cth Bb · Structure no. P13015000000000
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 176
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Lrd W Ridge RD over Koshkonong Creek is a steel stringer/multi-beam or girder carrying Lrd W Ridge RD over Koshkonong Creek in Dane County, Wisconsin. It was built in 1972, so it is 53 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 176 vehicles a day, projected to reach 193 by 2043. The structure is 34 ft (10.3 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lrd W Ridge RD over Koshkonong Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Lrd W Ridge RD over Koshkonong 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 October 2024.
How much traffic does Lrd W Ridge RD over Koshkonong Creek carry?
About 176 vehicles per day (2022 count).
How long is Lrd W Ridge RD over Koshkonong Creek?
The structure is 34 ft (10.3 m) long with a longest span of 31 ft (9.6 m) and a deck 33 ft wide.
Who owns Lrd W Ridge RD over Koshkonong Creek?
It is owned by the Town or Township Highway Agency.