230th ST over Rathburn Creek
PoorPosted for loadPlymouth County, Iowa · 091430801 · Structure no. 000000000272130
- Built
- 1900
- 125 years old, rebuilt 1965
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 38 ft
- 2 main spans
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
230th ST over Rathburn Creek is a wood or timber stringer/multi-beam or girder carrying 230th ST over Rathburn Creek in Plymouth County, Iowa. It was built in 1900 and reconstructed in 1965, so it is 125 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 4 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 38 ft (11.6 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 230th ST over Rathburn Creek built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1965.
What condition is 230th ST over Rathburn Creek 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 April 2024.
How much traffic does 230th ST over Rathburn Creek carry?
About 30 vehicles per day (2022 count).
How long is 230th ST over Rathburn Creek?
The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.
Who owns 230th ST over Rathburn Creek?
It is owned by the County Highway Agency.