US 20 WB US 71 NB over North Raccoon River
GoodSac County, Iowa · 1.0 Mi. W of Jct. SR M54 · Structure no. 000000000700085
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 735 ft
- 7 main spans
- Daily traffic
- 3,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 WB US 71 NB over North Raccoon River is a prestressed concrete stringer/multi-beam or girder carrying US 20 WB US 71 NB over North Raccoon River in Sac County, Iowa. It was built in 2012, so it is 13 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 3,300 vehicles a day, roughly 35% of them trucks, projected to reach 3,300 by 2042. The structure is 735 ft (224.1 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 | 8 Very Good | No problems noted. |
| 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 US 71 NB over North Raccoon River built?
It was built in 2012, making it 13 years old in 2025.
What condition is US 20 WB US 71 NB over North Raccoon River 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 2023.
How much traffic does US 20 WB US 71 NB over North Raccoon River carry?
About 3,300 vehicles per day (2022 count), of which roughly 35% are trucks.
How long is US 20 WB US 71 NB over North Raccoon River?
The structure is 735 ft (224.1 m) long with a longest span of 112 ft (34 m) and a deck 43 ft wide.
Who owns US 20 WB US 71 NB over North Raccoon River?
It is owned by the State Highway Agency.