Ia 31 over Smokey Hollow Creek
GoodWoodbury County, Iowa · 0.1 Mi. N of Jct. Ia 141 · Structure no. 000000000053121
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 71 ft
- 3 main spans
- Daily traffic
- 840
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 31 over Smokey Hollow Creek is a concrete continuous slab carrying Ia 31 over Smokey Hollow Creek in Woodbury County, Iowa. It was built in 2001, so it is 24 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 840 vehicles a day, roughly 28% of them trucks, projected to reach 840 by 2044. The structure is 71 ft (21.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 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 31 over Smokey Hollow Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is Ia 31 over Smokey Hollow 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 November 2024.
How much traffic does Ia 31 over Smokey Hollow Creek carry?
About 840 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is Ia 31 over Smokey Hollow Creek?
The structure is 71 ft (21.6 m) long with a longest span of 26 ft (7.9 m) and a deck 51 ft wide.
Who owns Ia 31 over Smokey Hollow Creek?
It is owned by the State Highway Agency.