I 35 NB over Four Mile Creek
GoodPolk County, Iowa · 3.1 Miles N of JCT Ia 160 · Structure no. 000000000041811
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 29,150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 NB over Four Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying I 35 NB over Four Mile Creek in Polk County, Iowa. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 29,150 vehicles a day, roughly 16% of them trucks, projected to reach 29,150 by 2043. The structure is 197 ft (60.1 m) long and 78 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 35 NB over Four Mile Creek built?
It was built in 2018, making it 7 years old in 2025.
What condition is I 35 NB 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 2024.
How much traffic does I 35 NB over Four Mile Creek carry?
About 29,150 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is I 35 NB over Four Mile Creek?
The structure is 197 ft (60.1 m) long with a longest span of 92 ft (28 m) and a deck 78 ft wide.
Who owns I 35 NB over Four Mile Creek?
It is owned by the State Highway Agency.