Interstate 5 NB over Allen Road
GoodMerced County, California · 10-MER-005-27.40 · Structure no. 39 0177R
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 67 ft
- 3 main spans
- Daily traffic
- 21,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 NB over Allen Road is a concrete continuous slab carrying Interstate 5 NB over Allen Road in Merced County, California. It was built in 1967, so it is 58 years old, older 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 21,500 vehicles a day, roughly 30% of them trucks, projected to reach 41,226 by 2046. The structure is 67 ft (20.4 m) long and 41 ft wide. If it were closed, the detour would be 16.2 mi (26 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 Interstate 5 NB over Allen Road built?
It was built in 1967, making it 58 years old in 2025.
What condition is Interstate 5 NB over Allen Road 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 2024.
How much traffic does Interstate 5 NB over Allen Road carry?
About 21,500 vehicles per day (2020 count), of which roughly 30% are trucks.
How long is Interstate 5 NB over Allen Road?
The structure is 67 ft (20.4 m) long with a longest span of 26 ft (7.9 m) and a deck 41 ft wide.
Who owns Interstate 5 NB over Allen Road?
It is owned by the State Highway Agency.