U.S. Highway 101 over Franklin Av & Nwp RR
GoodMarin County, California · 04-MRN-101-R20.88-NVTO · Structure no. 27 0090R
- Built
- 1974
- 51 years old, rebuilt 2012
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 385 ft
- 4 main spans
- Daily traffic
- 61,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Franklin Av & Nwp RR is a prestressed concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over Franklin Av & Nwp RR in Marin County, California. It was built in 1974 and reconstructed in 2012, so it is 51 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 61,500 vehicles a day, roughly 5% of them trucks, projected to reach 77,824 by 2045. The structure is 385 ft (117.3 m) long and 81 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 U.S. Highway 101 over Franklin Av & Nwp RR built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2012.
What condition is U.S. Highway 101 over Franklin Av & Nwp RR 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 June 2023.
How much traffic does U.S. Highway 101 over Franklin Av & Nwp RR carry?
About 61,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is U.S. Highway 101 over Franklin Av & Nwp RR?
The structure is 385 ft (117.3 m) long with a longest span of 108 ft (32.9 m) and a deck 81 ft wide.
Who owns U.S. Highway 101 over Franklin Av & Nwp RR?
It is owned by the State Highway Agency.