Ia 175 over S Skunk River
FairHamilton County, Iowa · 1.0 Mile West of JCT I-35 · Structure no. 000000000026541
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 1,920
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 175 over S Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 175 over S Skunk River in Hamilton County, Iowa. It was built in 1979, so it is 46 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,920 vehicles a day, roughly 17% of them trucks, projected to reach 1,920 by 2042. The structure is 192 ft (58.5 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 S Skunk River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Ia 175 over S Skunk River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.
How much traffic does Ia 175 over S Skunk River carry?
About 1,920 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is Ia 175 over S Skunk River?
The structure is 192 ft (58.5 m) long with a longest span of 77 ft (23.5 m) and a deck 47 ft wide.
Who owns Ia 175 over S Skunk River?
It is owned by the State Highway Agency.