US 20 EB over US 71 NB
GoodSac County, Iowa · US 20 over US 71 · Structure no. 000000000700090
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 201 ft
- 3 main spans
- Daily traffic
- 2,440
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 EB over US 71 NB is a prestressed concrete stringer/multi-beam or girder carrying US 20 EB over US 71 NB 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,440 vehicles a day, roughly 42% of them trucks, projected to reach 2,440 by 2044. The structure is 201 ft (61.3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 EB over US 71 NB built?
It was built in 2012, making it 13 years old in 2025.
What condition is US 20 EB over US 71 NB 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 October 2024.
How much traffic does US 20 EB over US 71 NB carry?
About 2,440 vehicles per day (2022 count), of which roughly 42% are trucks.
How long is US 20 EB over US 71 NB?
The structure is 201 ft (61.3 m) long with a longest span of 107 ft (32.5 m) and a deck 43 ft wide.
Who owns US 20 EB over US 71 NB?
It is owned by the State Highway Agency.