320th ST over E Br Wapsinonoc CR
PoorPosted for loadCedar County, Iowa · 079032901 · Structure no. 000000000101981
- Built
- 1975
- 50 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 90
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
320th ST over E Br Wapsinonoc CR is a steel stringer/multi-beam or girder carrying 320th ST over E Br Wapsinonoc CR in Cedar County, Iowa. It was built in 1975, so it is 50 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 4 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 other load-capacity restriction.
It carries about 90 vehicles a day, projected to reach 90 by 2044. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 320th ST over E Br Wapsinonoc CR built?
It was built in 1975, making it 50 years old in 2025.
What condition is 320th ST over E Br Wapsinonoc CR 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 May 2024.
How much traffic does 320th ST over E Br Wapsinonoc CR carry?
About 90 vehicles per day (2022 count).
How long is 320th ST over E Br Wapsinonoc CR?
The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.
Who owns 320th ST over E Br Wapsinonoc CR?
It is owned by the County Highway Agency.