US 20 EB US 52 SB over 1st ST S
GoodDubuque County, Iowa · At Jct. S.R. Y13 · Structure no. 000000000605840
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 5,350
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 EB US 52 SB over 1st ST S is a prestressed concrete stringer/multi-beam or girder carrying US 20 EB US 52 SB over 1st ST S in Dubuque 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 5,350 vehicles a day, roughly 17% of them trucks, projected to reach 5,350 by 2044. The structure is 159 ft (48.5 m) long and 43 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 EB US 52 SB over 1st ST S built?
It was built in 1988, making it 37 years old in 2025.
What condition is US 20 EB US 52 SB over 1st ST S 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 January 2024.
How much traffic does US 20 EB US 52 SB over 1st ST S carry?
About 5,350 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is US 20 EB US 52 SB over 1st ST S?
The structure is 159 ft (48.5 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.
Who owns US 20 EB US 52 SB over 1st ST S?
It is owned by the State Highway Agency.