FM over N Timber Creek
PoorMarshall County, Iowa · 083192002 · Structure no. 000000000242830
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 903
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over N Timber Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over N Timber Creek in Marshall County, Iowa. It was built in 1963, so it is 62 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 903 vehicles a day, roughly 15% of them trucks, projected to reach 903 by 2044. The structure is 54 ft (16.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 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 N Timber Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is FM over N 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 December 2024.
How much traffic does FM over N Timber Creek carry?
About 903 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is FM over N Timber Creek?
The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.
Who owns FM over N Timber Creek?
It is owned by the County Highway Agency.