Csah 42 over Minnesota River
GoodBlue Earth County, Minnesota · 0.5 MI N JCT Mn 68 · Structure no. 07581
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 505 ft
- 4 main spans
- Daily traffic
- 1,450
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 42 over Minnesota River is a prestressed concrete stringer/multi-beam or girder carrying Csah 42 over Minnesota River in Blue Earth County, Minnesota. It was built in 2008, so it is 17 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 1,450 vehicles a day, projected to reach 1,450 by 2039. The structure is 505 ft (153.9 m) long and 58 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 42 over Minnesota River built?
It was built in 2008, making it 17 years old in 2025.
What condition is Csah 42 over Minnesota 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 September 2023.
How much traffic does Csah 42 over Minnesota River carry?
About 1,450 vehicles per day (2017 count).
How long is Csah 42 over Minnesota River?
The structure is 505 ft (153.9 m) long with a longest span of 140 ft (42.7 m) and a deck 58 ft wide.
Who owns Csah 42 over Minnesota River?
It is owned by the County Highway Agency.