310th Ave over Stream
GoodDelaware County, Iowa · 090 03 15 04 · Structure no. 000000000142131
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 88
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th Ave over Stream is a prestressed concrete stringer/multi-beam or girder carrying 310th Ave over Stream in Delaware County, Iowa. It was built in 2014, so it is 11 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 88 vehicles a day, projected to reach 88 by 2044. The structure is 71 ft (21.5 m) long and 33 ft wide.
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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 310th Ave over Stream built?
It was built in 2014, making it 11 years old in 2025.
What condition is 310th Ave 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 November 2024.
How much traffic does 310th Ave over Stream carry?
About 88 vehicles per day (2022 count).
How long is 310th Ave over Stream?
The structure is 71 ft (21.5 m) long with a longest span of 68 ft (20.6 m) and a deck 33 ft wide.
Who owns 310th Ave over Stream?
It is owned by the County Highway Agency.