Sth 78 SB over IH 90/94
GoodColumbia County, Wisconsin · 3.0M S JCT Sth 33 to E · Structure no. B11010100000000
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 345 ft
- 4 main spans
- Daily traffic
- 10,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 78 SB over IH 90/94 is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 78 SB over IH 90/94 in Columbia County, Wisconsin. It was built in 1993, so it is 32 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 10,000 vehicles a day, projected to reach 12,000 by 2041. The structure is 345 ft (105.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 78 SB over IH 90/94 built?
It was built in 1993, making it 32 years old in 2025.
What condition is Sth 78 SB over IH 90/94 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 2023.
How much traffic does Sth 78 SB over IH 90/94 carry?
About 10,000 vehicles per day (2021 count).
How long is Sth 78 SB over IH 90/94?
The structure is 345 ft (105.3 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.
Who owns Sth 78 SB over IH 90/94?
It is owned by the State Highway Agency.