Madonna RD over San Luis Obispo Creek
FairSan Luis Obispo County, California · Adjacent to Caltrans Yd · Structure no. 49C0447
- Built
- 1963
- 62 years old, rebuilt 2008
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 30,400
- 2006 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Madonna RD over San Luis Obispo Creek is a concrete continuous tee beam carrying Madonna RD over San Luis Obispo Creek in San Luis Obispo County, California. It was built in 1963 and reconstructed in 2008, so it is 62 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 6 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 30,400 vehicles a day, roughly 7% of them trucks, projected to reach 36,791 by 2045. The structure is 123 ft (37.5 m) long and 76 ft wide. If it were closed, the detour would be 4.3 mi (7 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Madonna RD over San Luis Obispo Creek built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2008.
What condition is Madonna RD over San Luis Obispo Creek 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 March 2023.
How much traffic does Madonna RD over San Luis Obispo Creek carry?
About 30,400 vehicles per day (2006 count), of which roughly 7% are trucks.
How long is Madonna RD over San Luis Obispo Creek?
The structure is 123 ft (37.5 m) long with a longest span of 55 ft (16.7 m) and a deck 76 ft wide.
Who owns Madonna RD over San Luis Obispo Creek?
It is owned by the City or Municipal Highway Agency.