US 20 WB over South Beaver Creek
GoodGrundy County, Iowa · 0.1 Mile W of JCT SR T19 · Structure no. 000000000608510
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 277 ft
- 3 main spans
- Daily traffic
- 4,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 WB over South Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying US 20 WB over South Beaver Creek in Grundy County, Iowa. It was built in 2003, so it is 22 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 4,550 vehicles a day, roughly 29% of them trucks, projected to reach 4,550 by 2044. The structure is 277 ft (84.4 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 WB over South Beaver Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 20 WB over South Beaver 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 September 2024.
How much traffic does US 20 WB over South Beaver Creek carry?
About 4,550 vehicles per day (2022 count), of which roughly 29% are trucks.
How long is US 20 WB over South Beaver Creek?
The structure is 277 ft (84.4 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.
Who owns US 20 WB over South Beaver Creek?
It is owned by the State Highway Agency.