Local - 570th over Waterway
PoorPosted for loadCass County, Iowa · 074371002 · Structure no. 000000000097550
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected March 2024
- Type
- Channel Beam
- Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local - 570th over Waterway is a concrete channel beam carrying Local - 570th over Waterway in Cass County, Iowa. It was built in 1955, so it is 70 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 30 vehicles a day, projected to reach 30 by 2044. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Local - 570th over Waterway built?
It was built in 1955, making it 70 years old in 2025.
What condition is Local - 570th over Waterway 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 March 2024.
How much traffic does Local - 570th over Waterway carry?
About 30 vehicles per day (2022 count).
How long is Local - 570th over Waterway?
The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.
Who owns Local - 570th over Waterway?
It is owned by the County Highway Agency.