Old HWY 20 over Small Stream
GoodWoodbury County, Iowa · 089453501 · Structure no. 000000000355178
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 159
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 20 over Small Stream is a concrete continuous culvert carrying Old HWY 20 over Small Stream in Woodbury County, Iowa. It was built in 2007, so it is 18 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 159 vehicles a day, roughly 9% of them trucks, projected to reach 159 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 20 over Small Stream built?
It was built in 2007, making it 18 years old in 2025.
What condition is Old HWY 20 over Small Stream 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 June 2022.
How much traffic does Old HWY 20 over Small Stream carry?
About 159 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Old HWY 20 over Small Stream?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).
Who owns Old HWY 20 over Small Stream?
It is owned by the County Highway Agency.