Troy Mills RD over Trib.To Wapsipinicon R
FairLinn County, Iowa · 086071704 · Structure no. 000000000223240
- Built
- 1925
- 100 years old, rebuilt 1977
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 1,424
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Troy Mills RD over Trib.To Wapsipinicon R is a concrete continuous culvert carrying Troy Mills RD over Trib.To Wapsipinicon R in Linn County, Iowa. It was built in 1925 and reconstructed in 1977, so it is 100 years old, older than the Iowa average of 45.5 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 1,424 vehicles a day, roughly 11% of them trucks, projected to reach 1,424 by 2044. The structure is 21 ft (6.5 m) long.
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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Troy Mills RD over Trib.To Wapsipinicon R built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1977.
What condition is Troy Mills RD over Trib.To Wapsipinicon R 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 Troy Mills RD over Trib.To Wapsipinicon R carry?
About 1,424 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Troy Mills RD over Trib.To Wapsipinicon R?
The structure is 21 ft (6.5 m) long with a longest span of 11 ft (3.4 m).
Who owns Troy Mills RD over Trib.To Wapsipinicon R?
It is owned by the County Highway Agency.