US-31 NB over S Channel Grand River
FairOttawa County, Michigan · In Grand Haven (n 7th St) · Structure no. 000000000008697
- Built
- 1931
- 94 years old, rebuilt 1980
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 200 ft
- 4 main spans
- Daily traffic
- 33,375
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 NB over S Channel Grand River is a steel stringer/multi-beam or girder carrying US-31 NB over S Channel Grand River in Ottawa County, Michigan. It was built in 1931 and reconstructed in 1980, so it is 94 years old, older than the Michigan average of 48.3 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 33,375 vehicles a day, roughly 3% of them trucks, projected to reach 36,875 by 2041. The structure is 200 ft (61 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-31 NB over S Channel Grand River built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1980.
What condition is US-31 NB over S Channel Grand River 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 August 2023.
How much traffic does US-31 NB over S Channel Grand River carry?
About 33,375 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is US-31 NB over S Channel Grand River?
The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 53 ft wide.
Who owns US-31 NB over S Channel Grand River?
It is owned by the State Highway Agency.