WB US 20 over US 63 Sergeant RD Trail
GoodBlack Hawk County, Iowa · At Jct. U.S. 63 · Structure no. 000000000605170
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 388 ft
- 6 main spans
- Daily traffic
- 11,450
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB US 20 over US 63 Sergeant RD Trail is a prestressed concrete stringer/multi-beam or girder carrying WB US 20 over US 63 Sergeant RD Trail in Black Hawk County, Iowa. It was built in 1983, so it is 42 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 11,450 vehicles a day, roughly 14% of them trucks, projected to reach 11,450 by 2043. The structure is 388 ft (118.3 m) long and 45 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 | 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 WB US 20 over US 63 Sergeant RD Trail built?
It was built in 1983, making it 42 years old in 2025.
What condition is WB US 20 over US 63 Sergeant RD Trail 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 February 2023.
How much traffic does WB US 20 over US 63 Sergeant RD Trail carry?
About 11,450 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is WB US 20 over US 63 Sergeant RD Trail?
The structure is 388 ft (118.3 m) long with a longest span of 81 ft (24.7 m) and a deck 45 ft wide.
Who owns WB US 20 over US 63 Sergeant RD Trail?
It is owned by the State Highway Agency.