FM over Orange City Slough
GoodSioux County, Iowa · 094451501 · Structure no. 000000000308721
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 823
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Orange City Slough is a concrete continuous slab carrying FM over Orange City Slough in Sioux County, Iowa. It was built in 2002, so it is 23 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 823 vehicles a day, roughly 20% of them trucks, projected to reach 823 by 2043. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Orange City Slough built?
It was built in 2002, making it 23 years old in 2025.
What condition is FM over Orange City Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does FM over Orange City Slough carry?
About 823 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is FM over Orange City Slough?
The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.
Who owns FM over Orange City Slough?
It is owned by the County Highway Agency.