E4-N99 Connector over State Route 99
GoodSan Joaquin County, California · 10-SJ-004-R19.40-STKN · Structure no. 29 0310G
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 521 ft
- 5 main spans
- Daily traffic
- 20,200
- 2004 count
- Owner
- State
- State Highway Agency
About this bridge
E4-N99 Connector over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying E4-N99 Connector over State Route 99 in San Joaquin 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 20,200 vehicles a day, roughly 11% of them trucks, projected to reach 32,601 by 2046. The structure is 521 ft (158.8 m) long and 43 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 E4-N99 Connector over State Route 99 built?
It was built in 1993, making it 32 years old in 2025.
What condition is E4-N99 Connector 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 June 2024.
How much traffic does E4-N99 Connector over State Route 99 carry?
About 20,200 vehicles per day (2004 count), of which roughly 11% are trucks.
How long is E4-N99 Connector over State Route 99?
The structure is 521 ft (158.8 m) long with a longest span of 149 ft (45.3 m) and a deck 43 ft wide.
Who owns E4-N99 Connector over State Route 99?
It is owned by the State Highway Agency.