Csah 59 over I 90
FairMartin County, Minnesota · 8.2 MI E of JCT TH 15 · Structure no. 46824
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 304 ft
- 4 main spans
- Daily traffic
- 77
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 59 over I 90 is a prestressed concrete stringer/multi-beam or girder carrying Csah 59 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 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 77 vehicles a day, projected to reach 80 by 2042. The structure is 304 ft (92.8 m) long and 36 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 59 over I 90 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 59 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 59 over I 90 carry?
About 77 vehicles per day (2022 count).
How long is Csah 59 over I 90?
The structure is 304 ft (92.8 m) long with a longest span of 86 ft (26.2 m) and a deck 36 ft wide.
Who owns Csah 59 over I 90?
It is owned by the State Highway Agency.