Ia 78 over Skunk River
GoodJefferson County, Iowa · 0.3 Mi. W of SR W 47 · Structure no. 000000000031421
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 494 ft
- 5 main spans
- Daily traffic
- 1,050
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 78 over Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 78 over Skunk River in Jefferson County, Iowa. It was built in 2009, so it is 16 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 1,050 vehicles a day, roughly 20% of them trucks, projected to reach 1,050 by 2042. The structure is 494 ft (150.6 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 7 Good | Some minor problems. |
| 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 78 over Skunk River built?
It was built in 2009, making it 16 years old in 2025.
What condition is Ia 78 over Skunk 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 May 2023.
How much traffic does Ia 78 over Skunk River carry?
About 1,050 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is Ia 78 over Skunk River?
The structure is 494 ft (150.6 m) long with a longest span of 116 ft (35.5 m) and a deck 43 ft wide.
Who owns Ia 78 over Skunk River?
It is owned by the State Highway Agency.