FM 350th ST over Spring Creek
PoorClay County, Iowa · 096381403 · Structure no. 000000000117070
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected December 2022
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 1,806
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM 350th ST over Spring Creek is a concrete continuous slab carrying FM 350th ST over Spring Creek in Clay County, Iowa. It was built in 1963, so it is 62 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.
It carries about 1,806 vehicles a day, roughly 5% of them trucks, projected to reach 1,806 by 2042. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 350th ST over Spring Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is FM 350th ST over Spring 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 December 2022.
How much traffic does FM 350th ST over Spring Creek carry?
About 1,806 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is FM 350th ST over Spring Creek?
The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.
Who owns FM 350th ST over Spring Creek?
It is owned by the County Highway Agency.