Sth 78-STH 113 over Gallus Slough
FairSauk County, Wisconsin · 0.5M N JCT Sth 113 to N · Structure no. B56005500000000
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 2,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 78-STH 113 over Gallus Slough is a prestressed concrete stringer/multi-beam or girder carrying Sth 78-STH 113 over Gallus Slough in Sauk County, Wisconsin. It was built in 1975, so it is 50 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 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 2,400 by 2041. The structure is 60 ft (18.2 m) long and 43 ft wide. 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 78-STH 113 over Gallus Slough built?
It was built in 1975, making it 50 years old in 2025.
What condition is Sth 78-STH 113 over Gallus Slough 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 March 2023.
How much traffic does Sth 78-STH 113 over Gallus Slough carry?
About 2,000 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Sth 78-STH 113 over Gallus Slough?
The structure is 60 ft (18.2 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.
Who owns Sth 78-STH 113 over Gallus Slough?
It is owned by the State Highway Agency.