Sth 59-GREENFIELD over Underwood Creek
FairMilwaukee County, Wisconsin · 1.1M E JCT Cth Mm · Structure no. B40037100000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 35 ft
- 3 main spans
- Daily traffic
- 17,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 59-GREENFIELD over Underwood Creek is a concrete continuous culvert carrying Sth 59-GREENFIELD over Underwood Creek in Milwaukee 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 fair condition with a lowest component rating of 5 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 17,000 vehicles a day, roughly 3% of them trucks, projected to reach 20,400 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Culvert | 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 Sth 59-GREENFIELD over Underwood Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Sth 59-GREENFIELD over Underwood 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 October 2024.
How much traffic does Sth 59-GREENFIELD over Underwood Creek carry?
About 17,000 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Sth 59-GREENFIELD over Underwood Creek?
The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3.2 m).
Who owns Sth 59-GREENFIELD over Underwood Creek?
It is owned by the State Highway Agency.