State Route 99 SB over Howsley Road
GoodSutter County, California · 03-SUT-099-5.81 · Structure no. 18 0045L
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 18,750
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 SB over Howsley Road is a prestressed concrete continuous slab carrying State Route 99 SB over Howsley Road in Sutter County, California. It was built in 1990, so it is 35 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 18,750 vehicles a day, roughly 9% of them trucks, projected to reach 41,500 by 2044. The structure is 139 ft (42.3 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 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 State Route 99 SB over Howsley Road built?
It was built in 1990, making it 35 years old in 2025.
What condition is State Route 99 SB over Howsley Road 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 2024.
How much traffic does State Route 99 SB over Howsley Road carry?
About 18,750 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is State Route 99 SB over Howsley Road?
The structure is 139 ft (42.3 m) long with a longest span of 63 ft (19.2 m) and a deck 44 ft wide.
Who owns State Route 99 SB over Howsley Road?
It is owned by the State Highway Agency.