Balsam over Winnebago River
FairCerro Gordo County, Iowa · 097222002 · Structure no. 000000000106960
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 174 ft
- 4 main spans
- Daily traffic
- 815
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Balsam over Winnebago River is a concrete continuous slab carrying Balsam 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 815 vehicles a day, roughly 14% of them trucks, projected to reach 815 by 2044. The structure is 174 ft (53 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Balsam over Winnebago River built?
It was built in 1969, making it 56 years old in 2025.
What condition is Balsam over Winnebago River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.
How much traffic does Balsam over Winnebago River carry?
About 815 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is Balsam over Winnebago River?
The structure is 174 ft (53 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns Balsam over Winnebago River?
It is owned by the County Highway Agency.