Baseline Road over Big Creek
FairCalhoun County, Michigan · 10 MI N of Marengo · Structure no. 000000000001367
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 153
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
Baseline Road over Big Creek is a prestressed concrete box beam or girders - multiple carrying Baseline Road over Big Creek in Calhoun County, Michigan. It was built in 1984, so it is 41 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 5 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 153 vehicles a day, roughly 5% of them trucks, projected to reach 285 by 2024. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Baseline Road over Big Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Baseline Road over Big Creek 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 Baseline Road over Big Creek carry?
About 153 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is Baseline Road over Big Creek?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.
Who owns Baseline Road over Big Creek?
It is owned by the County Highway Agency.