11th ST over Floyd River
PoorWoodbury County, Iowa · 000000000 · Structure no. 000000000010540
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 305 ft
- 4 main spans
- Daily traffic
- 3,523
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
11th ST over Floyd River is a steel continuous stringer/multi-beam or girder carrying 11th ST over Floyd River in Woodbury County, Iowa. It was built in 1962, so it is 63 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 3,523 vehicles a day, projected to reach 3,523 by 2044. The structure is 305 ft (93 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 11th ST over Floyd River built?
It was built in 1962, making it 63 years old in 2025.
What condition is 11th ST over Floyd 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 April 2024.
How much traffic does 11th ST over Floyd River carry?
About 3,523 vehicles per day (2021 count).
How long is 11th ST over Floyd River?
The structure is 305 ft (93 m) long with a longest span of 84 ft (25.6 m) and a deck 62 ft wide.
Who owns 11th ST over Floyd River?
It is owned by the City or Municipal Highway Agency.