NE 29th ST over Four Mile Creek Tributar
GoodPolk County, Iowa · 080232918 · Structure no. 000000000281871
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 163 ft
- 3 main spans
- Daily traffic
- 1,066
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
NE 29th ST over Four Mile Creek Tributar is a prestressed concrete stringer/multi-beam or girder carrying NE 29th ST over Four Mile Creek Tributar in Polk County, Iowa. It was built in 1986, so it is 39 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 1,066 vehicles a day, projected to reach 1,066 by 2043. The structure is 163 ft (49.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 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 29th ST over Four Mile Creek Tributar built?
It was built in 1986, making it 39 years old in 2025.
What condition is NE 29th ST over Four Mile Creek Tributar 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 29th ST over Four Mile Creek Tributar carry?
About 1,066 vehicles per day (2023 count).
How long is NE 29th ST over Four Mile Creek Tributar?
The structure is 163 ft (49.7 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.
Who owns NE 29th ST over Four Mile Creek Tributar?
It is owned by the County Highway Agency.