NW 70th Avenue over Beaver Creek
GoodPolk County, Iowa · 000000000 · Structure no. 000000000281456
- Built
- 1994
- 31 years old, rebuilt 2008
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 231 ft
- 3 main spans
- Daily traffic
- 5,205
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
NW 70th Avenue over Beaver Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NW 70th Avenue over Beaver Creek in Polk County, Iowa. It was built in 1994 and reconstructed in 2008, so it is 31 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 5,205 vehicles a day, projected to reach 5,205 by 2044. The structure is 231 ft (70.4 m) long and 89 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 NW 70th Avenue over Beaver Creek built?
It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2008.
What condition is NW 70th Avenue over Beaver 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 August 2024.
How much traffic does NW 70th Avenue over Beaver Creek carry?
About 5,205 vehicles per day (2022 count).
How long is NW 70th Avenue over Beaver Creek?
The structure is 231 ft (70.4 m) long with a longest span of 96 ft (29.3 m) and a deck 89 ft wide.
Who owns NW 70th Avenue over Beaver Creek?
It is owned by the City or Municipal Highway Agency.