Mill Creek Road over Santa Ana River
FairSan Bernardino County, California · 3.0 MI W of Glass RD · Structure no. 54C0403
- Built
- 1950
- 75 years old, rebuilt 2003
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 140
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Creek Road over Santa Ana River is a steel stringer/multi-beam or girder carrying Mill Creek Road over Santa Ana River in San Bernardino County, California. It was built in 1950 and reconstructed in 2003, so it is 75 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 140 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2042. The structure is 31 ft (9.5 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mill Creek Road over Santa Ana River built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2003.
What condition is Mill Creek Road over Santa Ana River 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 July 2023.
How much traffic does Mill Creek Road over Santa Ana River carry?
About 140 vehicles per day (2015 count), of which roughly 1% are trucks.
How long is Mill Creek Road over Santa Ana River?
The structure is 31 ft (9.5 m) long with a longest span of 30 ft (9 m) and a deck 20 ft wide.
Who owns Mill Creek Road over Santa Ana River?
It is owned by the County Highway Agency.