State Route 18 over Big Bear Creek
FairSan Bernardino County, California · 08-SBD-018-44.32 · Structure no. 54 1177
- Built
- 2011
- 14 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 474 ft
- 2 main spans
- Daily traffic
- 5,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 18 over Big Bear Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 18 over Big Bear Creek in San Bernardino County, California. It was built in 2011, so it is 14 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 5,500 vehicles a day, roughly 13% of them trucks, projected to reach 7,000 by 2042. The structure is 474 ft (144.5 m) long and 64 ft wide. If it were closed, the detour would be 12.4 mi (20 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 18 over Big Bear Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is State Route 18 over Big Bear 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 December 2024.
How much traffic does State Route 18 over Big Bear Creek carry?
About 5,500 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is State Route 18 over Big Bear Creek?
The structure is 474 ft (144.5 m) long with a longest span of 237 ft (72.2 m) and a deck 64 ft wide.
Who owns State Route 18 over Big Bear Creek?
It is owned by the State Highway Agency.