Miller Road over Interstate 8
GoodImperial County, California · 11-IMP-008-R52.50 · Structure no. 58 0221
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 208 ft
- 2 main spans
- Daily traffic
- 710
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Miller Road over Interstate 8 is a concrete continuous box beam or girders - multiple carrying Miller Road over Interstate 8 in Imperial County, California. It was built in 1971, so it is 54 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 710 vehicles a day, roughly 2% of them trucks, projected to reach 1,577 by 2042. The structure is 208 ft (63.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Miller Road over Interstate 8 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Miller Road over Interstate 8 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 January 2025.
How much traffic does Miller Road over Interstate 8 carry?
About 710 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Miller Road over Interstate 8?
The structure is 208 ft (63.4 m) long with a longest span of 104 ft (31.7 m) and a deck 34 ft wide.
Who owns Miller Road over Interstate 8?
It is owned by the State Highway Agency.