Ia 175 over Maple River
GoodMonona County, Iowa · 1.0 Mi. W. of Ia 141 · Structure no. 000000000037081
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 302 ft
- 3 main spans
- Daily traffic
- 1,220
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over Maple River is a prestressed concrete stringer/multi-beam or girder carrying Ia 175 over Maple River in Monona County, Iowa. It was built in 2022, so it is 3 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 1,220 vehicles a day, roughly 18% of them trucks, projected to reach 1,220 by 2043. The structure is 302 ft (92.2 m) long and 47 ft wide. If it were closed, the detour would be 16.8 mi (27 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 175 over Maple River built?
It was built in 2022, making it 3 years old in 2025.
What condition is Ia 175 over Maple River 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 February 2023.
How much traffic does Ia 175 over Maple River carry?
About 1,220 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is Ia 175 over Maple River?
The structure is 302 ft (92.2 m) long with a longest span of 127 ft (38.7 m) and a deck 47 ft wide.
Who owns Ia 175 over Maple River?
It is owned by the State Highway Agency.