US Bridges

Palo Comado Cyn RD over Route 101

Good

Los Angeles County, California · 07-LA-101-33.69-AGRH · Structure no. 53 1678

Built
1963
62 years old, rebuilt 2021
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
2 main spans
Daily traffic
2,201
2018 count
Owner
State
State Highway Agency

About this bridge

Palo Comado Cyn RD over Route 101 is a prestressed concrete stringer/multi-beam or girder carrying Palo Comado Cyn RD over Route 101 in Los Angeles County, California. It was built in 1963 and reconstructed in 2021, 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 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 2,201 vehicles a day, roughly 1% of them trucks, projected to reach 2,653 by 2046. The structure is 234 ft (71.3 m) long and 75 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPalo Comado Cyn RD
CrossesRoute 101
Location07-LA-101-33.69-AGRH
RouteCity Street 0
Coordinates34.14289, -118.7381
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span90 ft (27.4 m)
Deck width75 ft (22.8 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,201 (2018)
Projected traffic2,653 by 2046
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Palo Comado Cyn RD over Route 101 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2021.

What condition is Palo Comado Cyn RD over Route 101 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 May 2024.

How much traffic does Palo Comado Cyn RD over Route 101 carry?

About 2,201 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Palo Comado Cyn RD over Route 101?

The structure is 234 ft (71.3 m) long with a longest span of 90 ft (27.4 m) and a deck 75 ft wide.

Who owns Palo Comado Cyn RD over Route 101?

It is owned by the State Highway Agency.