T 312 over Dry Run
GoodOlmsted County, Minnesota · 1.5 MI S JCT Csah 12 on · Structure no. 55549
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 112
- 1993 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 312 over Dry Run is a prestressed concrete stringer/multi-beam or girder carrying T 312 over Dry Run in Olmsted County, Minnesota. It was built in 1994, so it is 31 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 112 vehicles a day, projected to reach 112 by 2029. The structure is 92 ft (27.9 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 312 over Dry Run built?
It was built in 1994, making it 31 years old in 2025.
What condition is T 312 over Dry Run 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 December 2024.
How much traffic does T 312 over Dry Run carry?
About 112 vehicles per day (1993 count).
How long is T 312 over Dry Run?
The structure is 92 ft (27.9 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.
Who owns T 312 over Dry Run?
It is owned by the Town or Township Highway Agency.