Sth 23 NB over Ush 151
FairIowa County, Wisconsin · 1.3M E JCT Cth Y · Structure no. B25002400000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 247 ft
- 2 main spans
- Daily traffic
- 2,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 23 NB over Ush 151 is a steel continuous stringer/multi-beam or girder carrying Sth 23 NB over Ush 151 in Iowa County, Wisconsin. It was built in 1979, so it is 46 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 2,300 vehicles a day, roughly 9% of them trucks, projected to reach 2,760 by 2042. The structure is 247 ft (75.4 m) long and 68 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 23 NB over Ush 151 built?
It was built in 1979, making it 46 years old in 2025.
What condition is Sth 23 NB over Ush 151 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 October 2023.
How much traffic does Sth 23 NB over Ush 151 carry?
About 2,300 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Sth 23 NB over Ush 151?
The structure is 247 ft (75.4 m) long with a longest span of 121 ft (36.9 m) and a deck 68 ft wide.
Who owns Sth 23 NB over Ush 151?
It is owned by the State Highway Agency.