Local - Yankton over Waterway
PoorCass County, Iowa · 074343101 · Structure no. 000000000096810
- Built
- 1951
- 74 years old, rebuilt 2017
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 54 ft
- 1 main span
- Daily traffic
- 46
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local - Yankton over Waterway is a steel stringer/multi-beam or girder carrying Local - Yankton over Waterway in Cass County, Iowa. It was built in 1951 and reconstructed in 2017, so it is 74 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.
It carries about 46 vehicles a day, projected to reach 46 by 2044. The structure is 54 ft (16.5 m) long and 22 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 - Yankton over Waterway built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2017.
What condition is Local - Yankton 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 February 2024.
How much traffic does Local - Yankton over Waterway carry?
About 46 vehicles per day (2022 count).
How long is Local - Yankton over Waterway?
The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.2 m) and a deck 22 ft wide.
Who owns Local - Yankton over Waterway?
It is owned by the County Highway Agency.