US-131 Ramp B M-21 over Vacant Land
FairKent County, Michigan · In Grand Rapids · Structure no. 000000000004948
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 306 ft
- 6 main spans
- Daily traffic
- 3,050
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
US-131 Ramp B M-21 over Vacant Land is a steel stringer/multi-beam or girder carrying US-131 Ramp B M-21 over Vacant Land in Kent County, Michigan. It was built in 1960, so it is 65 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 3,050 vehicles a day, roughly 6% of them trucks, projected to reach 3,375 by 2036. The structure is 306 ft (93.2 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-131 Ramp B M-21 over Vacant Land built?
It was built in 1960, making it 65 years old in 2025.
What condition is US-131 Ramp B M-21 over Vacant Land 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 October 2024.
How much traffic does US-131 Ramp B M-21 over Vacant Land carry?
About 3,050 vehicles per day (2016 count), of which roughly 6% are trucks.
How long is US-131 Ramp B M-21 over Vacant Land?
The structure is 306 ft (93.2 m) long with a longest span of 53 ft (16.1 m) and a deck 23 ft wide.
Who owns US-131 Ramp B M-21 over Vacant Land?
It is owned by the State Highway Agency.