30th Street over East Twin Creek Channel
FairSan Bernardino County, California · 0.15 MI E of Valencia Ave · Structure no. 54C0124
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 117 ft
- 1 main span
- Daily traffic
- 12,240
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
30th Street over East Twin Creek Channel is a prestressed concrete stringer/multi-beam or girder carrying 30th Street over East Twin Creek Channel in San Bernardino County, California. It was built in 1968, so it is 57 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 12,240 vehicles a day, roughly 3% of them trucks, projected to reach 15,750 by 2044. The structure is 117 ft (35.7 m) long and 72 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th Street over East Twin Creek Channel built?
It was built in 1968, making it 57 years old in 2025.
What condition is 30th Street over East Twin Creek Channel 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 February 2024.
How much traffic does 30th Street over East Twin Creek Channel carry?
About 12,240 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is 30th Street over East Twin Creek Channel?
The structure is 117 ft (35.7 m) long with a longest span of 67 ft (20.4 m) and a deck 72 ft wide.
Who owns 30th Street over East Twin Creek Channel?
It is owned by the City or Municipal Highway Agency.