Ia 31 over Stream
GoodWoodbury County, Iowa · 1.3 Mi. S of SR D38 · Structure no. 000000000053140
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected January 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 1,030
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 31 over Stream is a concrete continuous culvert carrying Ia 31 over Stream in Woodbury County, Iowa. It was built in 1966, so it is 59 years old, older 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 1,030 vehicles a day, roughly 23% of them trucks, projected to reach 1,030 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 31 over Stream built?
It was built in 1966, making it 59 years old in 2025.
What condition is Ia 31 over 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 January 2023.
How much traffic does Ia 31 over Stream carry?
About 1,030 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is Ia 31 over Stream?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns Ia 31 over Stream?
It is owned by the State Highway Agency.