US Highway 101 SB over Nipomo Creek
GoodSan Luis Obispo County, California · 05-SLO-101-1.36 · Structure no. 49 0118L
- Built
- 1957
- 68 years old, rebuilt 1992
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 28,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Nipomo Creek is a concrete continuous tee beam carrying US Highway 101 SB over Nipomo Creek in San Luis Obispo County, California. It was built in 1957 and reconstructed in 1992, so it is 68 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 28,000 vehicles a day, roughly 7% of them trucks, projected to reach 57,175 by 2044. The structure is 128 ft (39 m) long and 40 ft wide.
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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over Nipomo Creek built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1992.
What condition is US Highway 101 SB over Nipomo Creek 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 US Highway 101 SB over Nipomo Creek carry?
About 28,000 vehicles per day (2009 count), of which roughly 7% are trucks.
How long is US Highway 101 SB over Nipomo Creek?
The structure is 128 ft (39 m) long with a longest span of 51 ft (15.5 m) and a deck 40 ft wide.
Who owns US Highway 101 SB over Nipomo Creek?
It is owned by the State Highway Agency.