220th ST over Mosquito Creek
GoodDallas County, Iowa · 080292901 · Structure no. 000000000132221
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected November 2022
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 41
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
220th ST over Mosquito Creek is a concrete continuous slab carrying 220th ST over Mosquito Creek in Dallas 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 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 220th ST over Mosquito Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is 220th ST over Mosquito 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 November 2022.
How much traffic does 220th ST over Mosquito Creek carry?
About 41 vehicles per day (2022 count).
How long is 220th ST over Mosquito Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns 220th ST over Mosquito Creek?
It is owned by the County Highway Agency.