NE 46th Ave over Four Mile Creek
GoodPolk County, Iowa · 079232013 · Structure no. 000000000281301
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 228 ft
- 3 main spans
- Daily traffic
- 6,698
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
NE 46th Ave over Four Mile Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NE 46th Ave over Four Mile Creek in Polk County, Iowa. It was built in 1981, so it is 44 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 6,698 vehicles a day, projected to reach 6,698 by 2043. The structure is 228 ft (69.5 m) long and 47 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 NE 46th Ave over Four Mile Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is NE 46th Ave over Four Mile 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 March 2023.
How much traffic does NE 46th Ave over Four Mile Creek carry?
About 6,698 vehicles per day (2023 count).
How long is NE 46th Ave over Four Mile Creek?
The structure is 228 ft (69.5 m) long with a longest span of 82 ft (25 m) and a deck 47 ft wide.
Who owns NE 46th Ave over Four Mile Creek?
It is owned by the County Highway Agency.