Sth 42 over Manitowoc River
PoorManitowoc County, Wisconsin · At Manitowoc River · Structure no. B36012800020000
- Built
- 1987
- 38 years old
- Condition
- Poor
- inspected May 2024
- Type
- Movable - Bascule
- Steel
- Length
- 202 ft
- 1 main span
- Daily traffic
- 10,900
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Sth 42 over Manitowoc River is a steel movable - bascule carrying Sth 42 over Manitowoc River in Manitowoc County, Wisconsin. It was built in 1987, so it is 38 years old, younger 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 10,900 vehicles a day, projected to reach 22,697 by 2043. The structure is 202 ft (61.6 m) long and 66 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Sth 42 over Manitowoc River built?
It was built in 1987, making it 38 years old in 2025.
What condition is Sth 42 over Manitowoc 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 May 2024.
How much traffic does Sth 42 over Manitowoc River carry?
About 10,900 vehicles per day (2023 count).
How long is Sth 42 over Manitowoc River?
The structure is 202 ft (61.6 m) long with a longest span of 172 ft (52.4 m) and a deck 66 ft wide.
Who owns Sth 42 over Manitowoc River?
It is owned by the City or Municipal Highway Agency.