I 35 SB over North River
GoodWarren County, Iowa · 3.8 MI N of Ia 92 · Structure no. 000000000051401
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 337 ft
- 3 main spans
- Daily traffic
- 12,550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 SB over North River is a prestressed concrete stringer/multi-beam or girder carrying I 35 SB over North River in Warren County, Iowa. It was built in 2014, so it is 11 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 12,550 vehicles a day, roughly 25% of them trucks, projected to reach 12,550 by 2043. The structure is 337 ft (102.8 m) long and 63 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 | 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 I 35 SB over North River built?
It was built in 2014, making it 11 years old in 2025.
What condition is I 35 SB over North River 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 July 2024.
How much traffic does I 35 SB over North River carry?
About 12,550 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is I 35 SB over North River?
The structure is 337 ft (102.8 m) long with a longest span of 137 ft (41.8 m) and a deck 63 ft wide.
Who owns I 35 SB over North River?
It is owned by the State Highway Agency.