South Ave over Iowa River
PoorPosted for loadHardin County, Iowa · 089201708 · Structure no. 000000000176590
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 1,041
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
South Ave over Iowa River is a prestressed concrete stringer/multi-beam or girder carrying South Ave over Iowa River in Hardin County, Iowa. It was built in 1957, so it is 68 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 load restriction.
It carries about 1,041 vehicles a day, roughly 11% of them trucks, projected to reach 1,041 by 2044. The structure is 170 ft (51.8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 South Ave over Iowa River built?
It was built in 1957, making it 68 years old in 2025.
What condition is South Ave over Iowa 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 January 2024.
How much traffic does South Ave over Iowa River carry?
About 1,041 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is South Ave over Iowa River?
The structure is 170 ft (51.8 m) long with a longest span of 57 ft (17.4 m) and a deck 22 ft wide.
Who owns South Ave over Iowa River?
It is owned by the County Highway Agency.