Ush 12-STH 78 over Wisconsin River 08
FairSauk County, Wisconsin · 0.1M E JCT Sth 78 to N · Structure no. B56021700000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 902 ft
- 7 main spans
- Daily traffic
- 18,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ush 12-STH 78 over Wisconsin River 08 is a steel continuous stringer/multi-beam or girder carrying Ush 12-STH 78 over Wisconsin River 08 in Sauk County, Wisconsin. It was built in 1965, so it is 60 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 18,300 vehicles a day, roughly 8% of them trucks, projected to reach 21,960 by 2041. The structure is 902 ft (274.8 m) long and 70 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ush 12-STH 78 over Wisconsin River 08 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Ush 12-STH 78 over Wisconsin River 08 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 April 2024.
How much traffic does Ush 12-STH 78 over Wisconsin River 08 carry?
About 18,300 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Ush 12-STH 78 over Wisconsin River 08?
The structure is 902 ft (274.8 m) long with a longest span of 136 ft (41.5 m) and a deck 70 ft wide.
Who owns Ush 12-STH 78 over Wisconsin River 08?
It is owned by the State Highway Agency.