I 35 SB over Main ST
FairCerro Gordo County, Iowa · 0.6 Mi. S of N Jct. US.18 · Structure no. 000000000019190
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 3 main spans
- Daily traffic
- 10,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I 35 SB over Main ST is a prestressed concrete stringer/multi-beam or girder carrying I 35 SB over Main ST in Cerro Gordo County, Iowa. It was built in 1970, so it is 55 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 10,800 vehicles a day, roughly 32% of them trucks, projected to reach 10,800 by 2044. The structure is 217 ft (66.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 35 SB over Main ST built?
It was built in 1970, making it 55 years old in 2025.
What condition is I 35 SB over Main ST 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 I 35 SB over Main ST carry?
About 10,800 vehicles per day (2022 count), of which roughly 32% are trucks.
How long is I 35 SB over Main ST?
The structure is 217 ft (66.1 m) long with a longest span of 82 ft (25 m) and a deck 56 ft wide.
Who owns I 35 SB over Main ST?
It is owned by the State Highway Agency.