US 20 on Ramp over S Fork Catfish Creek
GoodDubuque County, Iowa · US 20 & Ia 52 SW Arterial · Structure no. 000000000700845
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 229 ft
- 3 main spans
- Daily traffic
- 1,570
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 on Ramp over S Fork Catfish Creek is a prestressed concrete stringer/multi-beam or girder carrying US 20 on Ramp over S Fork Catfish Creek in Dubuque County, Iowa. It was built in 2018, so it is 7 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,570 vehicles a day, roughly 25% of them trucks, projected to reach 1,570 by 2044. The structure is 229 ft (69.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 on Ramp over S Fork Catfish Creek built?
It was built in 2018, making it 7 years old in 2025.
What condition is US 20 on Ramp over S Fork Catfish 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 March 2024.
How much traffic does US 20 on Ramp over S Fork Catfish Creek carry?
About 1,570 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is US 20 on Ramp over S Fork Catfish Creek?
The structure is 229 ft (69.9 m) long with a longest span of 81 ft (24.8 m) and a deck 31 ft wide.
Who owns US 20 on Ramp over S Fork Catfish Creek?
It is owned by the State Highway Agency.