Sth 113 Nb-Northpo over Yahara River
FairDane County, Wisconsin · 5.5M N JCT Ush 151 · Structure no. B13023300000000
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 10,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 113 Nb-Northpo over Yahara River is a steel continuous stringer/multi-beam or girder carrying Sth 113 Nb-Northpo over Yahara River in Dane County, Wisconsin. It was built in 1965, so it is 60 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 10,200 vehicles a day, roughly 10% of them trucks, projected to reach 11,100 by 2043. The structure is 90 ft (27.5 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 113 Nb-Northpo over Yahara River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Sth 113 Nb-Northpo over Yahara 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 October 2023.
How much traffic does Sth 113 Nb-Northpo over Yahara River carry?
About 10,200 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Sth 113 Nb-Northpo over Yahara River?
The structure is 90 ft (27.5 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.
Who owns Sth 113 Nb-Northpo over Yahara River?
It is owned by the State Highway Agency.