US 20 WB over Grundy RD
GoodGrundy County, Iowa · At Junction SR D18 · Structure no. 000000000606960
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 6,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 WB over Grundy RD is a prestressed concrete stringer/multi-beam or girder carrying US 20 WB over Grundy RD in Grundy County, Iowa. It was built in 2000, so it is 25 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 6,800 vehicles a day, roughly 21% of them trucks, projected to reach 6,800 by 2044. The structure is 164 ft (50 m) long and 43 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 US 20 WB over Grundy RD built?
It was built in 2000, making it 25 years old in 2025.
What condition is US 20 WB over Grundy RD 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 August 2024.
How much traffic does US 20 WB over Grundy RD carry?
About 6,800 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is US 20 WB over Grundy RD?
The structure is 164 ft (50 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.
Who owns US 20 WB over Grundy RD?
It is owned by the State Highway Agency.