US Bridges

Copper Hill DR over San Francisquito Ck

Good

Los Angeles County, California · 250FT W/O Mcbean Pkwy · Structure no. 53C2170

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
580 ft
6 main spans
Daily traffic
26,326
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Copper Hill DR over San Francisquito Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying Copper Hill DR over San Francisquito Ck in Los Angeles County, California. It was built in 1999, so it is 26 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 26,326 vehicles a day, roughly 2% of them trucks, projected to reach 20,352 by 2043. The structure is 580 ft (176.7 m) long and 66 ft wide.

CarriesCopper Hill DR
CrossesSan Francisquito Ck
Location250FT W/O Mcbean Pkwy
RouteCity Street 0
Coordinates34.46252, -118.55275
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length580 ft (176.7 m)
Longest span96 ft (29.3 m)
Deck width66 ft (20.1 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,326 (2023)
Projected traffic20,352 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Copper Hill DR over San Francisquito Ck built?

It was built in 1999, making it 26 years old in 2025.

What condition is Copper Hill DR over San Francisquito Ck 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 2024.

How much traffic does Copper Hill DR over San Francisquito Ck carry?

About 26,326 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Copper Hill DR over San Francisquito Ck?

The structure is 580 ft (176.7 m) long with a longest span of 96 ft (29.3 m) and a deck 66 ft wide.

Who owns Copper Hill DR over San Francisquito Ck?

It is owned by the City or Municipal Highway Agency.