550th ST over Stream
GoodLucas County, Iowa · 073232103 · Structure no. 000000000227831
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 21
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
550th ST over Stream is a concrete continuous slab carrying 550th ST over Stream in Lucas County, Iowa. It was built in 2006, so it is 19 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 21 vehicles a day, projected to reach 21 by 2043. The structure is 135 ft (41.1 m) long and 24 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 | 7 Good | Some minor problems. |
| 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 550th ST over Stream built?
It was built in 2006, making it 19 years old in 2025.
What condition is 550th ST over Stream 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 2023.
How much traffic does 550th ST over Stream carry?
About 21 vehicles per day (2022 count).
How long is 550th ST over Stream?
The structure is 135 ft (41.1 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.
Who owns 550th ST over Stream?
It is owned by the County Highway Agency.