FM over Johnson Creek
PoorDallas County, Iowa · 078262803 · Structure no. 000000000022060
- Built
- 1933
- 92 years old, rebuilt 1954
- Condition
- Poor
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 2,628
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
FM over Johnson Creek is a steel stringer/multi-beam or girder carrying FM over Johnson Creek in Dallas County, Iowa. It was built in 1933 and reconstructed in 1954, so it is 92 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 2,628 vehicles a day, roughly 21% of them trucks, projected to reach 2,628 by 2043. The structure is 35 ft (10.7 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Johnson Creek built?
It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1954.
What condition is FM over Johnson 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 October 2023.
How much traffic does FM over Johnson Creek carry?
About 2,628 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is FM over Johnson Creek?
The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 46 ft wide.
Who owns FM over Johnson Creek?
It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.