Ia 175 over Drainage Ditch
GoodMonona County, Iowa · 0.6 MI E of SR L20 · Structure no. 000000000603590
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 990
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over Drainage Ditch is a concrete continuous culvert carrying Ia 175 over Drainage Ditch in Monona County, Iowa. It was built in 1973, so it is 52 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 990 vehicles a day, roughly 22% of them trucks, projected to reach 990 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 175 over Drainage Ditch built?
It was built in 1973, making it 52 years old in 2025.
What condition is Ia 175 over Drainage Ditch 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 June 2023.
How much traffic does Ia 175 over Drainage Ditch carry?
About 990 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is Ia 175 over Drainage Ditch?
The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).
Who owns Ia 175 over Drainage Ditch?
It is owned by the State Highway Agency.