FM over Dd #123
PoorPalo Alto County, Iowa · 094310502 · Structure no. 000000000268635
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 20
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd #123 is a prestressed concrete stringer/multi-beam or girder carrying FM over Dd #123 in Palo Alto County, Iowa. It was built in 1966, so it is 59 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.
It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 45 ft (13.7 m) long and 26 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 FM over Dd #123 built?
It was built in 1966, making it 59 years old in 2025.
What condition is FM over Dd #123 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 2023.
How much traffic does FM over Dd #123 carry?
About 20 vehicles per day (2021 count).
How long is FM over Dd #123?
The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.
Who owns FM over Dd #123?
It is owned by the County Highway Agency.