Mt.Vernon RD over Big Creek
FairLinn County, Iowa · 083062601 · Structure no. 000000000220811
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 1,669
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mt.Vernon RD over Big Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Mt.Vernon RD over Big Creek in Linn County, Iowa. It was built in 1984, so it is 41 years old, younger 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 1,669 vehicles a day, roughly 5% of them trucks, projected to reach 1,669 by 2044. The structure is 192 ft (58.5 m) long and 33 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mt.Vernon RD over Big Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is Mt.Vernon RD 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 October 2024.
How much traffic does Mt.Vernon RD over Big Creek carry?
About 1,669 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Mt.Vernon RD over Big Creek?
The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.
Who owns Mt.Vernon RD over Big Creek?
It is owned by the County Highway Agency.