I 35 NB over Iowa River
GoodWright County, Iowa · 4.0 Mi. N of SR C-70 · Structure no. 000000000602610
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 294 ft
- 3 main spans
- Daily traffic
- 8,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 NB over Iowa River is a prestressed concrete stringer/multi-beam or girder carrying I 35 NB over Iowa River in Wright County, Iowa. It was built in 1974, so it is 51 years old, older 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 8,250 vehicles a day, roughly 28% of them trucks, projected to reach 8,250 by 2043. The structure is 294 ft (89.6 m) long and 43 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 I 35 NB over Iowa River built?
It was built in 1974, making it 51 years old in 2025.
What condition is I 35 NB over Iowa 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 January 2024.
How much traffic does I 35 NB over Iowa River carry?
About 8,250 vehicles per day (2023 count), of which roughly 28% are trucks.
How long is I 35 NB over Iowa River?
The structure is 294 ft (89.6 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.
Who owns I 35 NB over Iowa River?
It is owned by the State Highway Agency.