SR 350th Street over I-35
FairHamilton County, Iowa · 2.0 Mi. S of Jct. Ia 175 · Structure no. 000000000026680
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 218 ft
- 4 main spans
- Daily traffic
- 71
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 350th Street over I-35 is a prestressed concrete stringer/multi-beam or girder carrying SR 350th Street over I-35 in Hamilton County, Iowa. It was built in 1966, so it is 59 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 218 ft (66.4 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 350th Street over I-35 built?
It was built in 1966, making it 59 years old in 2025.
What condition is SR 350th Street over I-35 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 June 2023.
How much traffic does SR 350th Street over I-35 carry?
About 71 vehicles per day (2021 count).
How long is SR 350th Street over I-35?
The structure is 218 ft (66.4 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.
Who owns SR 350th Street over I-35?
It is owned by the State Highway Agency.