Cth Z over Menominee River
PoorMarinette County, Wisconsin · At Michigan State Line · Structure no. B38001900000000
- Built
- 1972
- 53 years old, rebuilt 2002
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 381 ft
- 5 main spans
- Daily traffic
- 603
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cth Z over Menominee River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Z over Menominee River in Marinette County, Wisconsin. It was built in 1972 and reconstructed in 2002, so it is 53 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 603 vehicles a day, projected to reach 663 by 2043. The structure is 381 ft (116 m) long and 34 ft wide. If it were closed, the detour would be 33.6 mi (54 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth Z over Menominee River built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2002.
What condition is Cth Z 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 October 2024.
How much traffic does Cth Z over Menominee River carry?
About 603 vehicles per day (2024 count).
How long is Cth Z over Menominee River?
The structure is 381 ft (116 m) long with a longest span of 75 ft (23 m) and a deck 34 ft wide.
Who owns Cth Z over Menominee River?
It is owned by the County Highway Agency.