Thornapple River D over Thornapple River
GoodKent County, Michigan · 0.15 MI S of Ada Drive · Structure no. 000000000005071
- Built
- 1930
- 95 years old, rebuilt 1989
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 150 ft
- 2 main spans
- Daily traffic
- 11,887
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Thornapple River D over Thornapple River is a steel stringer/multi-beam or girder carrying Thornapple River D over Thornapple River in Kent County, Michigan. It was built in 1930 and reconstructed in 1989, so it is 95 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 11,887 vehicles a day, projected to reach 20,210 by 2025. The structure is 150 ft (45.7 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thornapple River D over Thornapple River built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1989.
What condition is Thornapple River D over Thornapple 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 2024.
How much traffic does Thornapple River D over Thornapple River carry?
About 11,887 vehicles per day (2005 count).
How long is Thornapple River D over Thornapple River?
The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.8 m) and a deck 44 ft wide.
Who owns Thornapple River D over Thornapple River?
It is owned by the County Highway Agency.