SW 520th ST over Br Deer Creek
FairJohnson County, Iowa · 078082101 · Structure no. 000000000203781
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected May 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
SW 520th ST over Br Deer Creek is a concrete continuous culvert carrying SW 520th ST over Br Deer Creek in Johnson County, Iowa. It was built in 1991, so it is 34 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 23 ft (7 m) long. 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 |
|---|---|---|
| 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 SW 520th ST over Br Deer Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is SW 520th ST over Br Deer 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 May 2021.
How much traffic does SW 520th ST over Br Deer Creek carry?
About 5 vehicles per day (2022 count).
How long is SW 520th ST over Br Deer Creek?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).
Who owns SW 520th ST over Br Deer Creek?
It is owned by the County Highway Agency.