Cth J over Montello River
FairMarquette County, Wisconsin · 0.3M S JCT Cth B to N · Structure no. B39004800000000
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 59 ft
- 1 main span
- Daily traffic
- 773
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cth J over Montello River is a prestressed concrete stringer/multi-beam or girder carrying Cth J over Montello River in Marquette County, Wisconsin. It was built in 1990, so it is 35 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 773 vehicles a day, roughly 6% of them trucks, projected to reach 924 by 2041. The structure is 59 ft (18.1 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 9 Excellent | No problems noted. |
| 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 Cth J over Montello River built?
It was built in 1990, making it 35 years old in 2025.
What condition is Cth J over Montello 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 2024.
How much traffic does Cth J over Montello River carry?
About 773 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Cth J over Montello River?
The structure is 59 ft (18.1 m) long with a longest span of 57 ft (17.5 m) and a deck 28 ft wide.
Who owns Cth J over Montello River?
It is owned by the County Highway Agency.