T 73 over Big Cottonwood River
GoodBrown County, Minnesota · 0.3 MI NW of JCT Csah 24 · Structure no. 08538
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 108
- 1996 count
- Owner
- County
- County Highway Agency
About this bridge
T 73 over Big Cottonwood River is a prestressed concrete stringer/multi-beam or girder carrying T 73 over Big Cottonwood River in Brown County, Minnesota. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 108 vehicles a day, projected to reach 108 by 2029. The structure is 205 ft (62.4 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 73 over Big Cottonwood River built?
It was built in 1996, making it 29 years old in 2025.
What condition is T 73 over Big Cottonwood 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 October 2024.
How much traffic does T 73 over Big Cottonwood River carry?
About 108 vehicles per day (1996 count).
How long is T 73 over Big Cottonwood River?
The structure is 205 ft (62.4 m) long with a longest span of 68 ft (20.8 m) and a deck 35 ft wide.
Who owns T 73 over Big Cottonwood River?
It is owned by the County Highway Agency.