150th ST over Skunk River
PoorPosted for loadStory County, Iowa · 085233103 · Structure no. 000000000316250
- Built
- 1920
- 105 years old, rebuilt 1974
- Condition
- Poor
- inspected December 2022
- Type
- Truss - Thru
- Steel
- Length
- 154 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
150th ST over Skunk River is a steel truss - thru carrying 150th ST over Skunk River in Story County, Iowa. It was built in 1920 and reconstructed in 1974, so it is 105 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, projected to reach 100 by 2043. The structure is 154 ft (46.9 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 150th ST over Skunk River built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1974.
What condition is 150th ST over Skunk River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2022.
How much traffic does 150th ST over Skunk River carry?
About 100 vehicles per day (2022 count).
How long is 150th ST over Skunk River?
The structure is 154 ft (46.9 m) long with a longest span of 150 ft (45.7 m) and a deck 20 ft wide.
Who owns 150th ST over Skunk River?
It is owned by the County Highway Agency.