Sth 27 over Br Shamrock Creek
FairMonroe County, Wisconsin · 2.1M N JCT Cth Ss · Structure no. B41001000000000
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 3,300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 27 over Br Shamrock Creek is a concrete culvert carrying Sth 27 over Br Shamrock Creek in Monroe 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,300 vehicles a day, projected to reach 4,200 by 2043. The structure is 22 ft (6.7 m) long. 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 27 over Br Shamrock Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is Sth 27 over Br Shamrock Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Sth 27 over Br Shamrock Creek carry?
About 3,300 vehicles per day (2021 count).
How long is Sth 27 over Br Shamrock Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns Sth 27 over Br Shamrock Creek?
It is owned by the State Highway Agency.