NB US 65 over Winnebago River
GoodCerro Gordo County, Iowa · 0.1 Mi. N of S JCT SR B20 · Structure no. 000000000019000
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 221 ft
- 3 main spans
- Daily traffic
- 3,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NB US 65 over Winnebago River is a prestressed concrete stringer/multi-beam or girder carrying NB US 65 over Winnebago River in Cerro Gordo County, Iowa. It was built in 1969, so it is 56 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 3,300 vehicles a day, roughly 7% of them trucks, projected to reach 3,300 by 2043. The structure is 221 ft (67.4 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 | 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 NB US 65 over Winnebago River built?
It was built in 1969, making it 56 years old in 2025.
What condition is NB US 65 over Winnebago 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 November 2023.
How much traffic does NB US 65 over Winnebago River carry?
About 3,300 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is NB US 65 over Winnebago River?
The structure is 221 ft (67.4 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.
Who owns NB US 65 over Winnebago River?
It is owned by the State Highway Agency.