Cth S over Rock River
GoodDodge County, Wisconsin · 1.2M W JCT Cth E · Structure no. B14012500000000
- Built
- 1939
- 86 years old, rebuilt 1991
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 114 ft
- 2 main spans
- Daily traffic
- 2,700
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Cth S over Rock River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth S over Rock River in Dodge County, Wisconsin. It was built in 1939 and reconstructed in 1991, so it is 86 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,700 vehicles a day, projected to reach 3,240 by 2041. The structure is 114 ft (34.8 m) long and 32 ft wide. If it were closed, the detour would be 25.5 mi (41 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth S over Rock River built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.
What condition is Cth S over Rock River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does Cth S over Rock River carry?
About 2,700 vehicles per day (2021 count).
How long is Cth S over Rock River?
The structure is 114 ft (34.8 m) long with a longest span of 54 ft (16.6 m) and a deck 32 ft wide.
Who owns Cth S over Rock River?
It is owned by the County Highway Agency.