FM 380th ST over Union Slough Ditch
PoorPosted for loadKossuth County, Iowa · 098281401 · Structure no. 000000000216470
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 44 ft
- 1 main span
- Daily traffic
- 180
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM 380th ST over Union Slough Ditch is a steel stringer/multi-beam or girder carrying FM 380th ST over Union Slough Ditch in Kossuth County, Iowa. It was built in 1964, so it is 61 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 180 vehicles a day, roughly 20% of them trucks, projected to reach 180 by 2044. The structure is 44 ft (13.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM 380th ST over Union Slough Ditch built?
It was built in 1964, making it 61 years old in 2025.
What condition is FM 380th ST over Union Slough Ditch 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 FM 380th ST over Union Slough Ditch carry?
About 180 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is FM 380th ST over Union Slough Ditch?
The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.
Who owns FM 380th ST over Union Slough Ditch?
It is owned by the County Highway Agency.