Knapp Street over I-96
FairKent County, Michigan · 4.1 MI E & S of US-131 · Structure no. 000000000004736
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 211 ft
- 4 main spans
- Daily traffic
- 5,609
- 1996 count
- Owner
- State
- State Highway Agency
About this bridge
Knapp Street over I-96 is a prestressed concrete stringer/multi-beam or girder carrying Knapp Street 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 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 5,609 vehicles a day, roughly 6% of them trucks, projected to reach 10,130 by 2016. The structure is 211 ft (64.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Knapp Street over I-96 built?
It was built in 1961, making it 64 years old in 2025.
What condition is Knapp Street over I-96 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 Knapp Street over I-96 carry?
About 5,609 vehicles per day (1996 count), of which roughly 6% are trucks.
How long is Knapp Street over I-96?
The structure is 211 ft (64.3 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.
Who owns Knapp Street over I-96?
It is owned by the State Highway Agency.