FM over Rock Creek
FairKeokuk County, Iowa · 074111010 · Structure no. 000000000209750
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 80 ft
- 1 main span
- Daily traffic
- 200
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Rock Creek in Keokuk County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2044. The structure is 80 ft (24.4 m) long and 30 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Rock Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is FM over Rock Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does FM over Rock Creek carry?
About 200 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is FM over Rock Creek?
The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 30 ft wide.
Who owns FM over Rock Creek?
It is owned by the County Highway Agency.