IH 94 WB over Rock River
FairJefferson County, Wisconsin · 2.0M W JCT Sth 26 to N · Structure no. B28058500000000
- Built
- 1938
- 87 years old, rebuilt 1965
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 258 ft
- 4 main spans
- Daily traffic
- 18,850
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 94 WB over Rock River is a steel stringer/multi-beam or girder carrying IH 94 WB over Rock River in Jefferson County, Wisconsin. It was built in 1938 and reconstructed in 1965, so it is 87 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 5 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 18,850 vehicles a day, roughly 14% of them trucks, projected to reach 22,620 by 2042. The structure is 258 ft (78.6 m) long and 43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 94 WB over Rock River built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1965.
What condition is IH 94 WB over Rock 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 August 2023.
How much traffic does IH 94 WB over Rock River carry?
About 18,850 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is IH 94 WB over Rock River?
The structure is 258 ft (78.6 m) long with a longest span of 64 ft (19.5 m) and a deck 43 ft wide.
Who owns IH 94 WB over Rock River?
It is owned by the State Highway Agency.