150th ST over I-35
GoodStory County, Iowa · 2.1 Miles South of SR E18 · Structure no. 000000000049330
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 235 ft
- 4 main spans
- Daily traffic
- 71
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
150th ST over I-35 is a prestressed concrete stringer/multi-beam or girder carrying 150th ST over I-35 in Story County, Iowa. It was built in 1967, so it is 58 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 71 vehicles a day, roughly 34% of them trucks, projected to reach 71 by 2043. The structure is 235 ft (71.6 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 150th ST over I-35 built?
It was built in 1967, making it 58 years old in 2025.
What condition is 150th ST over I-35 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 October 2023.
How much traffic does 150th ST over I-35 carry?
About 71 vehicles per day (2022 count), of which roughly 34% are trucks.
How long is 150th ST over I-35?
The structure is 235 ft (71.6 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.
Who owns 150th ST over I-35?
It is owned by the State Highway Agency.