Csah 23 over I 90
FairMartin County, Minnesota · 3.9 MI E of JCT TH 4 · Structure no. 46832
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 279 ft
- 4 main spans
- Daily traffic
- 395
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 23 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 23 over I 90 in Martin County, Minnesota. It was built in 1973, so it is 52 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 6 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 395 vehicles a day, projected to reach 410 by 2038. The structure is 279 ft (84.9 m) long and 40 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 23 over I 90 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 23 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 June 2023.
How much traffic does Csah 23 over I 90 carry?
About 395 vehicles per day (2018 count).
How long is Csah 23 over I 90?
The structure is 279 ft (84.9 m) long with a longest span of 85 ft (26 m) and a deck 40 ft wide.
Who owns Csah 23 over I 90?
It is owned by the State Highway Agency.