FM over Plaque Mine Creek
PoorTama County, Iowa · 082130504 · Structure no. 000000000316520
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 481
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Plaque Mine Creek is a concrete continuous culvert carrying FM over Plaque Mine Creek in Tama County, Iowa. It was built in 1970, so it is 55 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 481 vehicles a day, roughly 14% of them trucks, projected to reach 481 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Plaque Mine Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is FM over Plaque Mine Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does FM over Plaque Mine Creek carry?
About 481 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is FM over Plaque Mine Creek?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over Plaque Mine Creek?
It is owned by the County Highway Agency.