Sth 13 over Iron River
FairBayfield County, Wisconsin · 4.8M N JCT Cth a · Structure no. B04008800000000
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 207 ft
- 2 main spans
- Daily traffic
- 670
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 13 over Iron River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 13 over Iron River in Bayfield County, Wisconsin. It was built in 1998, so it is 27 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 670 vehicles a day, roughly 16% of them trucks, projected to reach 756 by 2043. The structure is 207 ft (63.2 m) long and 37 ft wide. If it were closed, the detour would be 59.7 mi (96 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 13 over Iron River built?
It was built in 1998, making it 27 years old in 2025.
What condition is Sth 13 over Iron 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 May 2024.
How much traffic does Sth 13 over Iron River carry?
About 670 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is Sth 13 over Iron River?
The structure is 207 ft (63.2 m) long with a longest span of 102 ft (31 m) and a deck 37 ft wide.
Who owns Sth 13 over Iron River?
It is owned by the State Highway Agency.