State Route 51 SB over J K L Capitol N P Q S T
FairSacramento County, California · 03-SAC-051-0.24-SAC · Structure no. 24 0188L
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 4,380 ft
- 42 main spans
- Daily traffic
- 90,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 51 SB over J K L Capitol N P Q S T is a concrete continuous box beam or girders - multiple carrying State Route 51 SB over J K L Capitol N P Q S T in Sacramento County, California. It was built in 1966, so it is 59 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 90,000 vehicles a day, roughly 6% of them trucks, projected to reach 103,217 by 2045. The structure is 4,380 ft (1,335 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 51 SB over J K L Capitol N P Q S T built?
It was built in 1966, making it 59 years old in 2025.
What condition is State Route 51 SB over J K L Capitol N P Q S T 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 November 2023.
How much traffic does State Route 51 SB over J K L Capitol N P Q S T carry?
About 90,000 vehicles per day (2015 count), of which roughly 6% are trucks.
How long is State Route 51 SB over J K L Capitol N P Q S T?
The structure is 4,380 ft (1,335 m) long with a longest span of 107 ft (32.6 m) and a deck 69 ft wide.
Who owns State Route 51 SB over J K L Capitol N P Q S T?
It is owned by the State Highway Agency.