SB I-35 over Imrl RR
GoodCerro Gordo County, Iowa · 0.2 Mi. S of Jct. 18 · Structure no. 000000000019210
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 10,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-35 over Imrl RR is a prestressed concrete stringer/multi-beam or girder carrying SB I-35 over Imrl RR 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 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 10,800 vehicles a day, roughly 32% of them trucks, projected to reach 10,800 by 2044. The structure is 179 ft (54.6 m) long and 57 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB I-35 over Imrl RR built?
It was built in 1970, making it 55 years old in 2025.
What condition is SB I-35 over Imrl RR 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 February 2024.
How much traffic does SB I-35 over Imrl RR carry?
About 10,800 vehicles per day (2022 count), of which roughly 32% are trucks.
How long is SB I-35 over Imrl RR?
The structure is 179 ft (54.6 m) long with a longest span of 69 ft (21 m) and a deck 57 ft wide.
Who owns SB I-35 over Imrl RR?
It is owned by the State Highway Agency.