I 35 SB over Iais RR
GoodPolk County, Iowa · 0.2 Mi. S of Grand Ave. · Structure no. 000000000041171
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 25,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 SB over Iais RR is a prestressed concrete stringer/multi-beam or girder carrying I 35 SB over Iais RR in Polk County, Iowa. It was built in 2013, so it is 12 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 25,300 vehicles a day, roughly 15% of them trucks, projected to reach 25,300 by 2043. The structure is 197 ft (60.1 m) long and 67 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 35 SB over Iais RR built?
It was built in 2013, making it 12 years old in 2025.
What condition is I 35 SB over Iais RR 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 February 2023.
How much traffic does I 35 SB over Iais RR carry?
About 25,300 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is I 35 SB over Iais RR?
The structure is 197 ft (60.1 m) long with a longest span of 117 ft (35.7 m) and a deck 67 ft wide.
Who owns I 35 SB over Iais RR?
It is owned by the State Highway Agency.