C43 550th ST over Maple River
GoodCherokee County, Iowa · 091390801 · Structure no. 000000000107821
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 619
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
C43 550th ST over Maple River is a prestressed concrete stringer/multi-beam or girder carrying C43 550th ST over Maple River in Cherokee County, Iowa. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 619 vehicles a day, roughly 14% of them trucks, projected to reach 619 by 2043. The structure is 192 ft (58.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| 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 C43 550th ST over Maple River built?
It was built in 2002, making it 23 years old in 2025.
What condition is C43 550th ST over Maple River 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 August 2023.
How much traffic does C43 550th ST over Maple River carry?
About 619 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is C43 550th ST over Maple River?
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 C43 550th ST over Maple River?
It is owned by the County Highway Agency.