I-475 over Gibson Drain
FairGenesee County, Michigan · 0.1 MI S of Maple RD · Structure no. 000000000002638
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 40,400
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-475 over Gibson Drain is a concrete culvert carrying I-475 over Gibson Drain in Genesee County, Michigan. It was built in 1972, so it is 53 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 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 40,400 vehicles a day, roughly 5% of them trucks, projected to reach 51,020 by 2018. The structure is 24 ft (7.3 m) long.
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 |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-475 over Gibson Drain built?
It was built in 1972, making it 53 years old in 2025.
What condition is I-475 over Gibson Drain 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 July 2024.
How much traffic does I-475 over Gibson Drain carry?
About 40,400 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is I-475 over Gibson Drain?
The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).
Who owns I-475 over Gibson Drain?
It is owned by the State Highway Agency.