Upper Big T Cn RD over Mill Crk Br
GoodLos Angeles County, California · 150FT E/O Angeles for HWY · Structure no. 53C1793
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected May 2024
- Type
- Arch - Deck
- Steel
- Length
- 34 ft
- 1 main span
- Daily traffic
- 178
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Upper Big T Cn RD over Mill Crk Br is a steel arch - deck carrying Upper Big T Cn RD over Mill Crk Br in Los Angeles County, California. It was built in 1982, so it is 43 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 178 vehicles a day, projected to reach 178 by 2043. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Upper Big T Cn RD over Mill Crk Br built?
It was built in 1982, making it 43 years old in 2025.
What condition is Upper Big T Cn RD over Mill Crk Br in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does Upper Big T Cn RD over Mill Crk Br carry?
About 178 vehicles per day (2017 count).
How long is Upper Big T Cn RD over Mill Crk Br?
The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.
Who owns Upper Big T Cn RD over Mill Crk Br?
It is owned by the County Highway Agency.