State Route 99 NB over Lagoon Creek
FairSacramento County, California · 03-SAC-099-4.98 · Structure no. 24 0045
- Built
- 1958
- 67 years old, rebuilt 1993
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 180 ft
- 6 main spans
- Daily traffic
- 31,500
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 NB over Lagoon Creek is a concrete continuous slab carrying State Route 99 NB over Lagoon Creek in Sacramento County, California. It was built in 1958 and reconstructed in 1993, so it is 67 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 31,500 vehicles a day, roughly 18% of them trucks, projected to reach 56,992 by 2046. The structure is 180 ft (54.9 m) long and 117 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 99 NB over Lagoon Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1993.
What condition is State Route 99 NB over Lagoon Creek 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 June 2024.
How much traffic does State Route 99 NB over Lagoon Creek carry?
About 31,500 vehicles per day (2019 count), of which roughly 18% are trucks.
How long is State Route 99 NB over Lagoon Creek?
The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 117 ft wide.
Who owns State Route 99 NB over Lagoon Creek?
It is owned by the State Highway Agency.