Marina Onramp 101N over Tennessee Hollow
GoodSan Francisco County, California · 04-SF-101-R8.33-SF · Structure no. 34 0169S
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 198 ft
- 4 main spans
- Daily traffic
- 20,000
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Marina Onramp 101N over Tennessee Hollow is a prestressed concrete continuous slab carrying Marina Onramp 101N over Tennessee Hollow in San Francisco County, California. It was built in 2015, so it is 10 years old, younger 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 20,000 vehicles a day, roughly 4% of them trucks, projected to reach 25,419 by 2041. The structure is 198 ft (60.2 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marina Onramp 101N over Tennessee Hollow built?
It was built in 2015, making it 10 years old in 2025.
What condition is Marina Onramp 101N over Tennessee Hollow 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 March 2023.
How much traffic does Marina Onramp 101N over Tennessee Hollow carry?
About 20,000 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Marina Onramp 101N over Tennessee Hollow?
The structure is 198 ft (60.2 m) long with a longest span of 59 ft (18.1 m) and a deck 30 ft wide.
Who owns Marina Onramp 101N over Tennessee Hollow?
It is owned by the State Highway Agency.