State Route 99 SB over El Capitan Way
FairMerced County, California · 10-MER-099-R34.05 · Structure no. 39 0148L
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 124 ft
- 1 main span
- Daily traffic
- 37,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 99 SB over El Capitan Way is a prestressed concrete box beam or girders - multiple carrying State Route 99 SB over El Capitan Way in Merced County, California. It was built in 1980, so it is 45 years old, younger 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 6 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 37,000 vehicles a day, roughly 25% of them trucks, projected to reach 47,778 by 2046. The structure is 124 ft (37.7 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 El Capitan Way built?
It was built in 1980, making it 45 years old in 2025.
What condition is State Route 99 SB over El Capitan Way 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 May 2024.
How much traffic does State Route 99 SB over El Capitan Way carry?
About 37,000 vehicles per day (2018 count), of which roughly 25% are trucks.
How long is State Route 99 SB over El Capitan Way?
The structure is 124 ft (37.7 m) long with a longest span of 122 ft (37.3 m) and a deck 54 ft wide.
Who owns State Route 99 SB over El Capitan Way?
It is owned by the State Highway Agency.