Ia 175 over So Fork Iowa River
GoodHardin County, Iowa · 2.5 Mi. E of E Jct. US 65 · Structure no. 000000000027201
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 256 ft
- 3 main spans
- Daily traffic
- 1,770
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over So Fork Iowa River is a prestressed concrete stringer/multi-beam or girder carrying Ia 175 over So Fork Iowa River in Hardin County, Iowa. It was built in 1981, so it is 44 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 1,770 vehicles a day, roughly 16% of them trucks, projected to reach 1,770 by 2042. The structure is 256 ft (78 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 175 over So Fork Iowa River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Ia 175 over So Fork Iowa 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 April 2023.
How much traffic does Ia 175 over So Fork Iowa River carry?
About 1,770 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Ia 175 over So Fork Iowa River?
The structure is 256 ft (78 m) long with a longest span of 96 ft (29.3 m) and a deck 43 ft wide.
Who owns Ia 175 over So Fork Iowa River?
It is owned by the State Highway Agency.