M-37 (e Belt Line) over I-96
PoorKent County, Michigan · In Grand Rapids · Structure no. 000000000004739
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 315 ft
- 4 main spans
- Daily traffic
- 42,978
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-37 (e Belt Line) over I-96 is a steel stringer/multi-beam or girder carrying M-37 (e Belt Line) over I-96 in Kent County, Michigan. It was built in 1961, so it is 64 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 42,978 vehicles a day, roughly 6% of them trucks, projected to reach 59,425 by 2018. The structure is 315 ft (96 m) long and 73 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-37 (e Belt Line) over I-96 built?
It was built in 1961, making it 64 years old in 2025.
What condition is M-37 (e Belt Line) over I-96 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does M-37 (e Belt Line) over I-96 carry?
About 42,978 vehicles per day (2007 count), of which roughly 6% are trucks.
How long is M-37 (e Belt Line) over I-96?
The structure is 315 ft (96 m) long with a longest span of 101 ft (30.7 m) and a deck 73 ft wide.
Who owns M-37 (e Belt Line) over I-96?
It is owned by the State Highway Agency.