WB US 20 over Sunnybrook DR
FairWoodbury County, Iowa · 1.7 Mi. W of Ia 12 · Structure no. 000000000603750
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 11,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB US 20 over Sunnybrook DR is a prestressed concrete stringer/multi-beam or girder carrying WB US 20 over Sunnybrook DR in Woodbury County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,600 vehicles a day, roughly 15% of them trucks, projected to reach 11,600 by 2044. The structure is 159 ft (48.5 m) long and 43 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Sunnybrook DR built?
It was built in 1978, making it 47 years old in 2025.
What condition is WB US 20 over Sunnybrook DR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.
How much traffic does WB US 20 over Sunnybrook DR carry?
About 11,600 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is WB US 20 over Sunnybrook DR?
The structure is 159 ft (48.5 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.
Who owns WB US 20 over Sunnybrook DR?
It is owned by the State Highway Agency.