70th St. over Small Stream
GoodJones County, Iowa · 083040601 · Structure no. 000000000363800
- Built
- 1988
- 37 years old, rebuilt 2017
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Steel
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 41
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
70th St. over Small Stream is a steel culvert carrying 70th St. over Small Stream in Jones County, Iowa. It was built in 1988 and reconstructed in 2017, 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 23 ft (7 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 70th St. over Small Stream built?
It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2017.
What condition is 70th St. 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 November 2023.
How much traffic does 70th St. over Small Stream carry?
About 41 vehicles per day (2022 count).
How long is 70th St. over Small Stream?
The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).
Who owns 70th St. over Small Stream?
It is owned by the County Highway Agency.