48th Street over Thornapple River
GoodKent County, Michigan · 0.80 MI E of Burger Drive · Structure no. 000000000005016
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 258 ft
- 3 main spans
- Daily traffic
- 1,513
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
48th Street over Thornapple River is a prestressed concrete box beam or girders - single or spread carrying 48th Street over Thornapple River in Kent County, Michigan. It was built in 2003, so it is 22 years old, younger 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 1,513 vehicles a day, roughly 10% of them trucks, projected to reach 2,570 by 2024. The structure is 258 ft (78.5 m) long and 55 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 48th Street over Thornapple River built?
It was built in 2003, making it 22 years old in 2025.
What condition is 48th Street 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 November 2023.
How much traffic does 48th Street over Thornapple River carry?
About 1,513 vehicles per day (2004 count), of which roughly 10% are trucks.
How long is 48th Street over Thornapple River?
The structure is 258 ft (78.5 m) long with a longest span of 86 ft (26.1 m) and a deck 55 ft wide.
Who owns 48th Street over Thornapple River?
It is owned by the County Highway Agency.