T 21 over Trib to Upper Iowa River
GoodMower County, Minnesota · 0.1 MI N of JCT TH 56 · Structure no. 50J20
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected July 2021
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 10
- 1999 count
- Owner
- County
- County Highway Agency
About this bridge
T 21 over Trib to Upper Iowa River is a concrete culvert carrying T 21 over Trib to Upper Iowa River in Mower County, Minnesota. It was built in 1999, so it is 26 years old, younger than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 10 vehicles a day, projected to reach 10 by 2029. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 21 over Trib to Upper Iowa River built?
It was built in 1999, making it 26 years old in 2025.
What condition is T 21 over Trib to Upper Iowa River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.
How much traffic does T 21 over Trib to Upper Iowa River carry?
About 10 vehicles per day (1999 count).
How long is T 21 over Trib to Upper Iowa River?
The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).
Who owns T 21 over Trib to Upper Iowa River?
It is owned by the County Highway Agency.