I-75 SB over Kochville Drain
GoodSaginaw County, Michigan · 1.0 MI S of Bay CO Line · Structure no. 000000000009167
- Built
- 1960
- 65 years old, rebuilt 2017
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 25,430
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 SB over Kochville Drain is a prestressed concrete box beam or girders - single or spread carrying I-75 SB over Kochville Drain in Saginaw County, Michigan. It was built in 1960 and reconstructed in 2017, so it is 65 years old, older than the Michigan average of 48.3 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 25,430 vehicles a day, roughly 6% of them trucks, projected to reach 58,489 by 2034. The structure is 52 ft (15.8 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 SB over Kochville Drain built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2017.
What condition is I-75 SB over Kochville Drain 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 October 2024.
How much traffic does I-75 SB over Kochville Drain carry?
About 25,430 vehicles per day (2014 count), of which roughly 6% are trucks.
How long is I-75 SB over Kochville Drain?
The structure is 52 ft (15.8 m) long with a longest span of 49 ft (15 m) and a deck 73 ft wide.
Who owns I-75 SB over Kochville Drain?
It is owned by the State Highway Agency.