Cth M over Mill Creek
FairPortage County, Wisconsin · 1.7M W JCT Cty Hh · Structure no. B49015000000000
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 636
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cth M over Mill Creek is a concrete slab carrying Cth M over Mill Creek in Portage County, Wisconsin. It was built in 2007, so it is 18 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 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 636 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2041. The structure is 100 ft (30.6 m) long and 34 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth M over Mill Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is Cth M over Mill Creek 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 Cth M over Mill Creek carry?
About 636 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Cth M over Mill Creek?
The structure is 100 ft (30.6 m) long with a longest span of 49 ft (14.9 m) and a deck 34 ft wide.
Who owns Cth M over Mill Creek?
It is owned by the County Highway Agency.