M-43 WB (oakland) over Grand River
FairIngham County, Michigan · In Lansing (oakland St) · Structure no. 000000000003790
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 279 ft
- 3 main spans
- Daily traffic
- 10,885
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-43 WB (oakland) over Grand River is a steel stringer/multi-beam or girder carrying M-43 WB (oakland) over Grand River in Ingham County, Michigan. It was built in 1966, so it is 59 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 10,885 vehicles a day, roughly 2% of them trucks, projected to reach 22,071 by 2018. The structure is 279 ft (85 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-43 WB (oakland) over Grand River built?
It was built in 1966, making it 59 years old in 2025.
What condition is M-43 WB (oakland) over Grand 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 August 2024.
How much traffic does M-43 WB (oakland) over Grand River carry?
About 10,885 vehicles per day (2007 count), of which roughly 2% are trucks.
How long is M-43 WB (oakland) over Grand River?
The structure is 279 ft (85 m) long with a longest span of 100 ft (30.5 m) and a deck 64 ft wide.
Who owns M-43 WB (oakland) over Grand River?
It is owned by the State Highway Agency.