East 20th ST WB over State Route 99
GoodButte County, California · 03-BUT-099-R31.50-CHC · Structure no. 12 0169L
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 193 ft
- 2 main spans
- Daily traffic
- 20,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
East 20th ST WB over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying East 20th ST WB over State Route 99 in Butte County, California. It was built in 1993, so it is 32 years old, younger than the California average of 54.8 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 20,300 vehicles a day, roughly 1% of them trucks, projected to reach 28,007 by 2041. The structure is 193 ft (58.8 m) long and 45 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 East 20th ST WB over State Route 99 built?
It was built in 1993, making it 32 years old in 2025.
What condition is East 20th ST WB over State Route 99 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 May 2023.
How much traffic does East 20th ST WB over State Route 99 carry?
About 20,300 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is East 20th ST WB over State Route 99?
The structure is 193 ft (58.8 m) long with a longest span of 96 ft (29.4 m) and a deck 45 ft wide.
Who owns East 20th ST WB over State Route 99?
It is owned by the State Highway Agency.