158th St. over Helmer Creek
GoodJones County, Iowa · 085042003 · Structure no. 000000000208561
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected November 2020
- Type
- Culvert
- Concrete Continuous
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 49
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
158th St. over Helmer Creek is a concrete continuous culvert carrying 158th St. over Helmer Creek in Jones County, Iowa. It was built in 1988, so it is 37 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 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 158th St. over Helmer Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is 158th St. over Helmer 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 2020.
How much traffic does 158th St. over Helmer Creek carry?
About 49 vehicles per day (2022 count).
How long is 158th St. over Helmer Creek?
The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).
Who owns 158th St. over Helmer Creek?
It is owned by the County Highway Agency.