Cth N over Menominee River
PoorFlorence County, Wisconsin · 2.0M E JCT Cth B · Structure no. B19000300000000
- Built
- 1973
- 52 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 329 ft
- 5 main spans
- Daily traffic
- 3,500
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Cth N over Menominee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth N over Menominee River in Florence County, Wisconsin. It was built in 1973, so it is 52 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,500 vehicles a day, projected to reach 3,512 by 2043. The structure is 329 ft (100.3 m) long and 36 ft wide. If it were closed, the detour would be 13.7 mi (22 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Cth N over Menominee River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Cth N over Menominee River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does Cth N over Menominee River carry?
About 3,500 vehicles per day (2021 count).
How long is Cth N over Menominee River?
The structure is 329 ft (100.3 m) long with a longest span of 90 ft (27.5 m) and a deck 36 ft wide.
Who owns Cth N over Menominee River?
It is owned by the County Highway Agency.