State Route 18 over State Route 330
FairSan Bernardino County, California · 08-SBD-018-31.64 · Structure no. 54 0031
- Built
- 1951
- 74 years old, rebuilt 1992
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 78 ft
- 1 main span
- Daily traffic
- 5,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 18 over State Route 330 is a concrete box beam or girders - multiple carrying State Route 18 over State Route 330 in San Bernardino County, California. It was built in 1951 and reconstructed in 1992, so it is 74 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 5,500 vehicles a day, roughly 12% of them trucks, projected to reach 9,000 by 2042. The structure is 78 ft (23.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 18 over State Route 330 built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1992.
What condition is State Route 18 over State Route 330 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 December 2024.
How much traffic does State Route 18 over State Route 330 carry?
About 5,500 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is State Route 18 over State Route 330?
The structure is 78 ft (23.8 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.
Who owns State Route 18 over State Route 330?
It is owned by the State Highway Agency.