Csah 15 over I 90
FairMower County, Minnesota · 7.5 MI SW of JCT TH 63 · Structure no. 9706
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 273 ft
- 4 main spans
- Daily traffic
- 270
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 15 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over I 90 in Mower County, Minnesota. It was built in 1961, so it is 64 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.
It carries about 270 vehicles a day, projected to reach 270 by 2039. The structure is 273 ft (83.3 m) long and 33 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 15 over I 90 built?
It was built in 1961, making it 64 years old in 2025.
What condition is Csah 15 over I 90 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 August 2024.
How much traffic does Csah 15 over I 90 carry?
About 270 vehicles per day (2016 count).
How long is Csah 15 over I 90?
The structure is 273 ft (83.3 m) long with a longest span of 90 ft (27.3 m) and a deck 33 ft wide.
Who owns Csah 15 over I 90?
It is owned by the State Highway Agency.