Main Street over Pine River
FairGratiot County, Michigan · City of ST Louis · Structure no. 000000000003257
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 100 ft
- 2 main spans
- Daily traffic
- 1,000
- 2005 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Main Street over Pine River is a steel stringer/multi-beam or girder carrying Main Street over Pine River in Gratiot County, Michigan. It was built in 1955, so it is 70 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,800 by 2025. The structure is 100 ft (30.4 m) long and 34 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main Street over Pine River built?
It was built in 1955, making it 70 years old in 2025.
What condition is Main Street over Pine 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 June 2024.
How much traffic does Main Street over Pine River carry?
About 1,000 vehicles per day (2005 count), of which roughly 5% are trucks.
How long is Main Street over Pine River?
The structure is 100 ft (30.4 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.
Who owns Main Street over Pine River?
It is owned by the City or Municipal Highway Agency.