Cth Y / State ST over Black Earth Creek
PoorPosted for loadDane County, Wisconsin · 0.5M N JCT Ush 14 · Structure no. B13002600000000
- Built
- 1951
- 74 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 84 ft
- 2 main spans
- Daily traffic
- 950
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Cth Y / State ST over Black Earth Creek is a steel continuous stringer/multi-beam or girder carrying Cth Y / State ST over Black Earth Creek in Dane County, Wisconsin. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.
It carries about 950 vehicles a day, projected to reach 1,140 by 2042. The structure is 84 ft (25.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth Y / State ST over Black Earth Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is Cth Y / State ST over Black Earth 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 Cth Y / State ST over Black Earth Creek carry?
About 950 vehicles per day (2022 count).
How long is Cth Y / State ST over Black Earth Creek?
The structure is 84 ft (25.5 m) long with a longest span of 41 ft (12.6 m) and a deck 35 ft wide.
Who owns Cth Y / State ST over Black Earth Creek?
It is owned by the County Highway Agency.