FM over Rock Creek
PoorPosted for loadCedar County, Iowa · 079030206 · Structure no. 000000000101820
- Built
- 1945
- 80 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 170
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Rock Creek is a steel continuous stringer/multi-beam or girder carrying FM over Rock Creek in Cedar County, Iowa. It was built in 1945, so it is 80 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 170 vehicles a day, roughly 9% of them trucks, projected to reach 170 by 2043. The structure is 154 ft (46.9 m) long and 23 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Rock Creek built?
It was built in 1945, making it 80 years old in 2025.
What condition is FM over Rock 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 Rock Creek carry?
About 170 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is FM over Rock Creek?
The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 23 ft wide.
Who owns FM over Rock Creek?
It is owned by the County Highway Agency.