Interstate 5 over Mott Road
FairSiskiyou County, California · 02-SIS-005-5.90 · Structure no. 02 0180R
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 112 ft
- 1 main span
- Daily traffic
- 20,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 5 over Mott Road is a prestressed concrete box beam or girders - multiple carrying Interstate 5 over Mott Road in Siskiyou County, California. It was built in 1976, so it is 49 years old, younger 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 20,000 vehicles a day, roughly 29% of them trucks, projected to reach 28,000 by 2040. The structure is 112 ft (34.1 m) long and 54 ft wide.
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 | 7 Good | Some minor problems. |
| 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 5 over Mott Road built?
It was built in 1976, making it 49 years old in 2025.
What condition is Interstate 5 over Mott Road 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 September 2023.
How much traffic does Interstate 5 over Mott Road carry?
About 20,000 vehicles per day (2015 count), of which roughly 29% are trucks.
How long is Interstate 5 over Mott Road?
The structure is 112 ft (34.1 m) long with a longest span of 109 ft (33.3 m) and a deck 54 ft wide.
Who owns Interstate 5 over Mott Road?
It is owned by the State Highway Agency.