Polk Road over Pine River
FairGratiot County, Michigan · Sec 24-25 Sumner Twp · Structure no. 000000000003242
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 130 ft
- 2 main spans
- Daily traffic
- 114
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
Polk Road over Pine River is a prestressed concrete box beam or girders - multiple carrying Polk Road over Pine River in Gratiot County, Michigan. It was built in 1983, so it is 42 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 114 vehicles a day, roughly 7% of them trucks, projected to reach 139 by 2024. The structure is 130 ft (39.6 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Polk Road over Pine River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Polk Road 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 July 2024.
How much traffic does Polk Road over Pine River carry?
About 114 vehicles per day (2004 count), of which roughly 7% are trucks.
How long is Polk Road over Pine River?
The structure is 130 ft (39.6 m) long with a longest span of 63 ft (19.2 m) and a deck 34 ft wide.
Who owns Polk Road over Pine River?
It is owned by the County Highway Agency.