Sth 21 over Manske Ditch #1
GoodWaushara County, Wisconsin · 1.1M E JCT Sth 49 · Structure no. B69003800000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected July 2021
- Type
- Slab
- Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 5,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 21 over Manske Ditch #1 is a concrete slab carrying Sth 21 over Manske Ditch #1 in Waushara County, Wisconsin. It was built in 1998, so it is 27 years old, younger than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,000 vehicles a day, roughly 9% of them trucks, projected to reach 6,000 by 2041. The structure is 25 ft (7.5 m) long and 46 ft wide. If it were closed, the detour would be 7.5 mi (12 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 21 over Manske Ditch #1 built?
It was built in 1998, making it 27 years old in 2025.
What condition is Sth 21 over Manske Ditch #1 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.
How much traffic does Sth 21 over Manske Ditch #1 carry?
About 5,000 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Sth 21 over Manske Ditch #1?
The structure is 25 ft (7.5 m) long with a longest span of 22 ft (6.7 m) and a deck 46 ft wide.
Who owns Sth 21 over Manske Ditch #1?
It is owned by the State Highway Agency.