Pine Grove Av Conn over Black River & Scott Ave
FairSt. Clair County, Michigan · W City Limits · Structure no. 000000000013579
- Built
- 2011
- 14 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,352 ft
- 10 main spans
- Daily traffic
- 18,190
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Pine Grove Av Conn over Black River & Scott Ave is a prestressed concrete stringer/multi-beam or girder carrying Pine Grove Av Conn over Black River & Scott Ave in St. Clair County, Michigan. It was built in 2011, so it is 14 years old, younger 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 18,190 vehicles a day, roughly 10% of them trucks, projected to reach 21,400 by 2030. The structure is 1,352 ft (412.2 m) long and 78 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pine Grove Av Conn over Black River & Scott Ave built?
It was built in 2011, making it 14 years old in 2025.
What condition is Pine Grove Av Conn over Black River & Scott Ave 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 September 2024.
How much traffic does Pine Grove Av Conn over Black River & Scott Ave carry?
About 18,190 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Pine Grove Av Conn over Black River & Scott Ave?
The structure is 1,352 ft (412.2 m) long with a longest span of 143 ft (43.6 m) and a deck 78 ft wide.
Who owns Pine Grove Av Conn over Black River & Scott Ave?
It is owned by the State Highway Agency.