Sth 29 EB over Wisconsin River 28
GoodMarathon County, Wisconsin · 1.5M E JCT Ush 51 to S · Structure no. B37013600000000
- Built
- 1972
- 53 years old, rebuilt 2016
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 795 ft
- 5 main spans
- Daily traffic
- 28,400
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 29 EB over Wisconsin River 28 is a steel continuous stringer/multi-beam or girder carrying Sth 29 EB over Wisconsin River 28 in Marathon County, Wisconsin. It was built in 1972 and reconstructed in 2016, so it is 53 years old, older 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 28,400 vehicles a day, roughly 1% of them trucks, projected to reach 46,300 by 2043. The structure is 795 ft (242.2 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 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 29 EB over Wisconsin River 28 built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2016.
What condition is Sth 29 EB over Wisconsin River 28 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 June 2024.
How much traffic does Sth 29 EB over Wisconsin River 28 carry?
About 28,400 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Sth 29 EB over Wisconsin River 28?
The structure is 795 ft (242.2 m) long with a longest span of 172 ft (52.4 m) and a deck 43 ft wide.
Who owns Sth 29 EB over Wisconsin River 28?
It is owned by the State Highway Agency.