Ia 175 over Aldrich Creek
GoodIda County, Iowa · 0.8 W of W SR L51 · Structure no. 000000000029221
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 108 ft
- 1 main span
- Daily traffic
- 930
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over Aldrich Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 175 over Aldrich Creek in Ida County, Iowa. It was built in 1997, so it is 28 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 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 930 vehicles a day, roughly 15% of them trucks, projected to reach 930 by 2042. The structure is 108 ft (32.9 m) long and 43 ft wide. If it were closed, the detour would be 24.2 mi (39 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 175 over Aldrich Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Ia 175 over Aldrich Creek 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 Ia 175 over Aldrich Creek carry?
About 930 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is Ia 175 over Aldrich Creek?
The structure is 108 ft (32.9 m) long with a longest span of 102 ft (31.1 m) and a deck 43 ft wide.
Who owns Ia 175 over Aldrich Creek?
It is owned by the State Highway Agency.