FM over West Fork Little Sioux
PoorWoodbury County, Iowa · 087451605 · Structure no. 000000000352396
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 214 ft
- 3 main spans
- Daily traffic
- 429
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over West Fork Little Sioux is a steel continuous stringer/multi-beam or girder carrying FM over West Fork Little Sioux in Woodbury County, Iowa. It was built in 1955, so it is 70 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.
It carries about 429 vehicles a day, roughly 11% of them trucks, projected to reach 429 by 2044. The structure is 214 ft (65.2 m) long and 32 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over West Fork Little Sioux built?
It was built in 1955, making it 70 years old in 2025.
What condition is FM over West Fork Little Sioux 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 July 2024.
How much traffic does FM over West Fork Little Sioux carry?
About 429 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is FM over West Fork Little Sioux?
The structure is 214 ft (65.2 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.
Who owns FM over West Fork Little Sioux?
It is owned by the County Highway Agency.