A39 390th over Stream
GoodWorth County, Iowa · East of Wheelerwood Ave. · Structure no. 000000000355781
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 118
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
A39 390th over Stream is a prestressed concrete stringer/multi-beam or girder carrying A39 390th over Stream in Worth County, Iowa. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 118 vehicles a day, roughly 27% of them trucks, projected to reach 118 by 2043. The structure is 47 ft (14.3 m) long and 33 ft wide. 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 |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was A39 390th over Stream built?
It was built in 2021, making it 4 years old in 2025.
What condition is A39 390th 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 December 2023.
How much traffic does A39 390th over Stream carry?
About 118 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is A39 390th over Stream?
The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.
Who owns A39 390th over Stream?
It is owned by the County Highway Agency.