FM over South Timber Creek
PoorPosted for loadMarshall County, Iowa · 083172801 · Structure no. 000000000242490
- Built
- 1954
- 71 years old
- Condition
- Poor
- inspected November 2024
- Type
- Truss - Thru
- Steel
- Length
- 123 ft
- 1 main span
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over South Timber Creek is a steel truss - thru carrying FM over South Timber Creek in Marshall County, Iowa. It was built in 1954, so it is 71 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 59 vehicles a day, projected to reach 59 by 2044. The structure is 123 ft (37.5 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over South Timber Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is FM over South Timber 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 November 2024.
How much traffic does FM over South Timber Creek carry?
About 59 vehicles per day (2022 count).
How long is FM over South Timber Creek?
The structure is 123 ft (37.5 m) long with a longest span of 120 ft (36.6 m) and a deck 22 ft wide.
Who owns FM over South Timber Creek?
It is owned by the County Highway Agency.