Sth 54 over Mill Creek
PoorJackson County, Wisconsin · 0.7M E JCT Cth V to N · Structure no. B27001800000000
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 640
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 54 over Mill Creek is a steel stringer/multi-beam or girder carrying Sth 54 over Mill Creek in Jackson County, Wisconsin. It was built in 1959, so it is 66 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 640 vehicles a day, roughly 9% of them trucks, projected to reach 1,200 by 2043. The structure is 50 ft (15.1 m) long and 39 ft wide. If it were closed, the detour would be 59.7 mi (96 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 | 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 Sth 54 over Mill Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Sth 54 over Mill Creek 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 Sth 54 over Mill Creek carry?
About 640 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Sth 54 over Mill Creek?
The structure is 50 ft (15.1 m) long with a longest span of 50 ft (15.1 m) and a deck 39 ft wide.
Who owns Sth 54 over Mill Creek?
It is owned by the State Highway Agency.