Sth 29 Wb-Sth 73 N over Black River
FairClark County, Wisconsin · 2.4M W JCT Sth 73 to S · Structure no. B10017000000000
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 325 ft
- 3 main spans
- Daily traffic
- 5,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 29 Wb-Sth 73 N over Black River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 Wb-Sth 73 N over Black River in Clark County, Wisconsin. It was built in 1996, so it is 29 years old, younger 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 5,700 vehicles a day, projected to reach 6,840 by 2042. The structure is 325 ft (99 m) long and 43 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Wb-Sth 73 N over Black River built?
It was built in 1996, making it 29 years old in 2025.
What condition is Sth 29 Wb-Sth 73 N over Black 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 June 2023.
How much traffic does Sth 29 Wb-Sth 73 N over Black River carry?
About 5,700 vehicles per day (2022 count).
How long is Sth 29 Wb-Sth 73 N over Black River?
The structure is 325 ft (99 m) long with a longest span of 124 ft (37.8 m) and a deck 43 ft wide.
Who owns Sth 29 Wb-Sth 73 N over Black River?
It is owned by the State Highway Agency.