U.S. Highway 101 over Corte Madera CR & EB Sfd
PoorMarin County, California · 04-MRN-101-8.47-LKSP · Structure no. 27 0008K
- Built
- 1959
- 66 years old, rebuilt 2004
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 1,648 ft
- 11 main spans
- Daily traffic
- 19,700
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over Corte Madera CR & EB Sfd is a concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over Corte Madera CR & EB Sfd in Marin County, California. It was built in 1959 and reconstructed in 2004, so it is 66 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 19,700 vehicles a day, roughly 1% of them trucks, projected to reach 22,172 by 2042. The structure is 1,648 ft (502.3 m) long and 37 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over Corte Madera CR & EB Sfd built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2004.
What condition is U.S. Highway 101 over Corte Madera CR & EB Sfd in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does U.S. Highway 101 over Corte Madera CR & EB Sfd carry?
About 19,700 vehicles per day (1998 count), of which roughly 1% are trucks.
How long is U.S. Highway 101 over Corte Madera CR & EB Sfd?
The structure is 1,648 ft (502.3 m) long with a longest span of 80 ft (24.4 m) and a deck 37 ft wide.
Who owns U.S. Highway 101 over Corte Madera CR & EB Sfd?
It is owned by the State Highway Agency.