FM over Rock Creek
GoodBenton County, Iowa · 086110802 · Structure no. 000000000073311
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 70
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Rock Creek is a concrete continuous slab carrying FM over Rock Creek in Benton County, Iowa. It was built in 1988, so it is 37 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 70 vehicles a day, projected to reach 70 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 1988, making it 37 years old in 2025.
What condition is FM over Rock Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does FM over Rock Creek carry?
About 70 vehicles per day (2023 count).
How long is FM over Rock Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns FM over Rock Creek?
It is owned by the County Highway Agency.