620th ST over Turkey Creek
GoodCass County, Iowa · 076363302 · Structure no. 000000000099721
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 216 ft
- 3 main spans
- Daily traffic
- 72
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
620th ST over Turkey Creek is a prestressed concrete stringer/multi-beam or girder carrying 620th ST over Turkey Creek in Cass County, Iowa. It was built in 2012, so it is 13 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 72 vehicles a day, projected to reach 72 by 2044. The structure is 216 ft (65.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 620th ST over Turkey Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is 620th ST over Turkey Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does 620th ST over Turkey Creek carry?
About 72 vehicles per day (2022 count).
How long is 620th ST over Turkey Creek?
The structure is 216 ft (65.8 m) long with a longest span of 77 ft (23.5 m) and a deck 32 ft wide.
Who owns 620th ST over Turkey Creek?
It is owned by the County Highway Agency.