165th ST over West Branch Floyd River
PoorPosted for loadPlymouth County, Iowa · 092450603 · Structure no. 000000000274580
- Built
- 1911
- 114 years old
- Condition
- Poor
- inspected June 2024
- Type
- Arch - Deck
- Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 120
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
165th ST over West Branch Floyd River is a concrete arch - deck carrying 165th ST over West Branch Floyd River in Plymouth County, Iowa. It was built in 1911, so it is 114 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 120 vehicles a day, projected to reach 120 by 2044. The structure is 73 ft (22.3 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 165th ST over West Branch Floyd River built?
It was built in 1911, making it 114 years old in 2025.
What condition is 165th ST over West Branch Floyd River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does 165th ST over West Branch Floyd River carry?
About 120 vehicles per day (2022 count).
How long is 165th ST over West Branch Floyd River?
The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 17 ft wide.
Who owns 165th ST over West Branch Floyd River?
It is owned by the County Highway Agency.