Sth 23-STH 33-MAIN over Baraboo River
PoorSauk County, Wisconsin · 0.3M E JCT Sth 33 to W · Structure no. B56007200000000
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 148 ft
- 3 main spans
- Daily traffic
- 14,200
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Sth 23-STH 33-MAIN over Baraboo River is a concrete continuous slab carrying Sth 23-STH 33-MAIN over Baraboo River in Sauk County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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 14,200 vehicles a day, roughly 3% of them trucks, projected to reach 17,040 by 2041. The structure is 148 ft (45 m) long and 62 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Sth 23-STH 33-MAIN over Baraboo River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Sth 23-STH 33-MAIN over Baraboo River 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 September 2024.
How much traffic does Sth 23-STH 33-MAIN over Baraboo River carry?
About 14,200 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Sth 23-STH 33-MAIN over Baraboo River?
The structure is 148 ft (45 m) long with a longest span of 59 ft (18 m) and a deck 62 ft wide.
Who owns Sth 23-STH 33-MAIN over Baraboo River?
It is owned by the City or Municipal Highway Agency.