Derby Grange RD over Cloie Branch
GoodDubuque County, Iowa · 089E20710 · Structure no. 000000000147231
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected July 2022
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 638
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Derby Grange RD over Cloie Branch is a concrete continuous slab carrying Derby Grange RD over Cloie Branch in Dubuque County, Iowa. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 638 vehicles a day, projected to reach 638 by 2043. The structure is 103 ft (31.4 m) long and 33 ft wide.
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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Derby Grange RD over Cloie Branch built?
It was built in 2020, making it 5 years old in 2025.
What condition is Derby Grange RD over Cloie Branch 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 July 2022.
How much traffic does Derby Grange RD over Cloie Branch carry?
About 638 vehicles per day (2022 count).
How long is Derby Grange RD over Cloie Branch?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.
Who owns Derby Grange RD over Cloie Branch?
It is owned by the County Highway Agency.