Illinoistown Oc over Interstate 80
FairPlacer County, California · 03-PLA-080-31.79-CFX · Structure no. 19 0085
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 242 ft
- 2 main spans
- Daily traffic
- 1,397
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Illinoistown Oc over Interstate 80 is a prestressed concrete stringer/multi-beam or girder carrying Illinoistown Oc over Interstate 80 in Placer County, California. It was built in 1966, so it is 59 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 1,397 vehicles a day, roughly 1% of them trucks, projected to reach 3,239 by 2045. The structure is 242 ft (73.8 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Illinoistown Oc over Interstate 80 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Illinoistown Oc over Interstate 80 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 December 2023.
How much traffic does Illinoistown Oc over Interstate 80 carry?
About 1,397 vehicles per day (1998 count), of which roughly 1% are trucks.
How long is Illinoistown Oc over Interstate 80?
The structure is 242 ft (73.8 m) long with a longest span of 90 ft (27.4 m) and a deck 37 ft wide.
Who owns Illinoistown Oc over Interstate 80?
It is owned by the State Highway Agency.