T 309 over Trout Run Creek
PoorPosted for loadWinona County, Minnesota · 0.9 MI E of JCT CSAH43 · Structure no. L1489
- Built
- 1918
- 107 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 20
- 1986 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 309 over Trout Run Creek is a steel stringer/multi-beam or girder carrying T 309 over Trout Run Creek in Winona County, Minnesota. It was built in 1918, so it is 107 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 24 ft (7.2 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 309 over Trout Run Creek built?
It was built in 1918, making it 107 years old in 2025.
What condition is T 309 over Trout Run 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 October 2024.
How much traffic does T 309 over Trout Run Creek carry?
About 20 vehicles per day (1986 count).
How long is T 309 over Trout Run Creek?
The structure is 24 ft (7.2 m) long with a longest span of 19 ft (5.9 m) and a deck 17 ft wide.
Who owns T 309 over Trout Run Creek?
It is owned by the Town or Township Highway Agency.