T 166 over S Br S Fk Root River
FairPosted for loadFillmore County, Minnesota · 1.4 MI N of JCT TH 44 · Structure no. L4729
- Built
- 1915
- 110 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 20 ft
- 1 main span
- Daily traffic
- 64
- 1973 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 166 over S Br S Fk Root River is a steel stringer/multi-beam or girder carrying T 166 over S Br S Fk Root River in Fillmore County, Minnesota. It was built in 1915, so it is 110 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 64 vehicles a day, projected to reach 64 by 2029. The structure is 20 ft (6.2 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 166 over S Br S Fk Root River built?
It was built in 1915, making it 110 years old in 2025.
What condition is T 166 over S Br S Fk Root River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does T 166 over S Br S Fk Root River carry?
About 64 vehicles per day (1973 count).
How long is T 166 over S Br S Fk Root River?
The structure is 20 ft (6.2 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.
Who owns T 166 over S Br S Fk Root River?
It is owned by the Town or Township Highway Agency.