Ia 175 over Drainage Ditch
GoodMonona County, Iowa · 3.8 Mi. W of SR L37 · Structure no. 000000000037110
- Built
- 1900
- 125 years old, rebuilt 1952
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 1,460
- 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 1900 and reconstructed in 1952, so it is 125 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 1,460 vehicles a day, roughly 21% of them trucks, projected to reach 1,460 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 1900, making it 125 years old in 2025. It was reconstructed in 1952.
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 August 2024.
How much traffic does Ia 175 over Drainage Ditch carry?
About 1,460 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is Ia 175 over Drainage Ditch?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns Ia 175 over Drainage Ditch?
It is owned by the State Highway Agency.