FM over Walnut Creek
PoorPosted for loadMontgomery County, Iowa · 073380901 · Structure no. 000000000256531
- Built
- 1956
- 69 years old, rebuilt 1971
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 528
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying FM over Walnut Creek in Montgomery County, Iowa. It was built in 1956 and reconstructed in 1971, so it is 69 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 other load-capacity restriction.
It carries about 528 vehicles a day, roughly 11% of them trucks, projected to reach 528 by 2043. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Walnut Creek built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1971.
What condition is FM over Walnut Creek 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 May 2023.
How much traffic does FM over Walnut Creek carry?
About 528 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is FM over Walnut Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns FM over Walnut Creek?
It is owned by the County Highway Agency.