13th ST over US Highway 101
GoodSan Luis Obispo County, California · 05-SLO-101-56.88-PSRS · Structure no. 49 0145
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected September 2021
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 16,000
- 2005 count
- Owner
- State
- State Highway Agency
About this bridge
13th ST over US Highway 101 is a prestressed concrete continuous slab carrying 13th ST over US Highway 101 in San Luis Obispo County, California. It was built in 1958, so it is 67 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 16,000 vehicles a day, roughly 5% of them trucks, projected to reach 29,562 by 2043. The structure is 112 ft (34 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 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 13th ST over US Highway 101 built?
It was built in 1958, making it 67 years old in 2025.
What condition is 13th ST over US Highway 101 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 September 2021.
How much traffic does 13th ST over US Highway 101 carry?
About 16,000 vehicles per day (2005 count), of which roughly 5% are trucks.
How long is 13th ST over US Highway 101?
The structure is 112 ft (34 m) long with a longest span of 59 ft (17.9 m) and a deck 79 ft wide.
Who owns 13th ST over US Highway 101?
It is owned by the State Highway Agency.