Sth 73 over Grand River
FairGreen Lake County, Wisconsin · 1.6M N JCT Cth X · Structure no. B24043100000000
- Built
- 1934
- 91 years old, rebuilt 2001
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 1,800
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 73 over Grand River is a concrete slab carrying Sth 73 over Grand River in Green Lake County, Wisconsin. It was built in 1934 and reconstructed in 2001, so it is 91 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 2,160 by 2041. The structure is 47 ft (14.2 m) long and 38 ft wide. If it were closed, the detour would be 20.5 mi (33 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 | 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 73 over Grand River built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2001.
What condition is Sth 73 over Grand River 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 July 2023.
How much traffic does Sth 73 over Grand River carry?
About 1,800 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Sth 73 over Grand River?
The structure is 47 ft (14.2 m) long with a longest span of 47 ft (14.2 m) and a deck 38 ft wide.
Who owns Sth 73 over Grand River?
It is owned by the State Highway Agency.