Mt Vernon RD over Allen Creek
FairLinn County, Iowa · 083062506 · Structure no. 000000000033931
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 1,669
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mt Vernon RD over Allen Creek is a concrete continuous culvert carrying Mt Vernon RD over Allen Creek in Linn County, Iowa. It was built in 1974, so it is 51 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 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 1,669 vehicles a day, roughly 5% of them trucks, projected to reach 1,669 by 2044. The structure is 24 ft (7.3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mt Vernon RD over Allen Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Mt Vernon RD over Allen 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 October 2024.
How much traffic does Mt Vernon RD over Allen Creek carry?
About 1,669 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Mt Vernon RD over Allen Creek?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Mt Vernon RD over Allen Creek?
It is owned by the County Highway Agency.