8th Ave over Lau Bach Interco Drain
GoodOttawa County, Michigan · 1 MI E of Marne · Structure no. 000000000008854
- Built
- 1974
- 51 years old, rebuilt 2012
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 2,996
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
8th Ave over Lau Bach Interco Drain is a prestressed concrete box beam or girders - multiple carrying 8th Ave over Lau Bach Interco Drain in Ottawa County, Michigan. It was built in 1974 and reconstructed in 2012, so it is 51 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 2,996 vehicles a day, roughly 5% of them trucks, projected to reach 5,410 by 2039. The structure is 34 ft (10.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| 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 8th Ave over Lau Bach Interco Drain built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2012.
What condition is 8th Ave over Lau Bach Interco 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 November 2024.
How much traffic does 8th Ave over Lau Bach Interco Drain carry?
About 2,996 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is 8th Ave over Lau Bach Interco Drain?
The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10 m) and a deck 44 ft wide.
Who owns 8th Ave over Lau Bach Interco Drain?
It is owned by the County Highway Agency.