State Route 99 over Morrison Creek
GoodSacramento County, California · 03-SAC-099-20.03 · Structure no. 24 0143
- Built
- 1959
- 66 years old, rebuilt 1991
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 6 main spans
- Daily traffic
- 179,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 over Morrison Creek is a concrete continuous slab carrying State Route 99 over Morrison Creek in Sacramento County, California. It was built in 1959 and reconstructed in 1991, so it is 66 years old, older 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 179,000 vehicles a day, roughly 6% of them trucks, projected to reach 269,407 by 2042. The structure is 100 ft (30.5 m) long and 146 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 99 over Morrison Creek built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1991.
What condition is State Route 99 over Morrison Creek 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 February 2024.
How much traffic does State Route 99 over Morrison Creek carry?
About 179,000 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is State Route 99 over Morrison Creek?
The structure is 100 ft (30.5 m) long with a longest span of 18 ft (5.5 m) and a deck 146 ft wide.
Who owns State Route 99 over Morrison Creek?
It is owned by the State Highway Agency.