Thornapple River D over Thornapple River
FairKent County, Michigan · 0.55 MI N of Laraway Lake · Structure no. 000000000005070
- Built
- 2004
- 21 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 169 ft
- 2 main spans
- Daily traffic
- 12,600
- 2005 count
- Owner
- County
- County Highway Agency
About this bridge
Thornapple River D over Thornapple River is a prestressed concrete box beam or girders - single or spread carrying Thornapple River D over Thornapple River in Kent County, Michigan. It was built in 2004, so it is 21 years old, younger 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 6 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 12,600 vehicles a day, roughly 3% of them trucks, projected to reach 21,600 by 2025. The structure is 169 ft (51.4 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thornapple River D over Thornapple River built?
It was built in 2004, making it 21 years old in 2025.
What condition is Thornapple River D over Thornapple 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 November 2023.
How much traffic does Thornapple River D over Thornapple River carry?
About 12,600 vehicles per day (2005 count), of which roughly 3% are trucks.
How long is Thornapple River D over Thornapple River?
The structure is 169 ft (51.4 m) long with a longest span of 84 ft (25.7 m) and a deck 41 ft wide.
Who owns Thornapple River D over Thornapple River?
It is owned by the County Highway Agency.