US Bridges

San Francisquito over San Francisquito Cn Crk

Good

Los Angeles County, California · 5.0MI N/O Copper Hill DR · Structure no. 53C1996

Built
2005
20 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
4,458
2012 count
Owner
County
County Highway Agency

About this bridge

San Francisquito over San Francisquito Cn Crk is a steel stringer/multi-beam or girder carrying San Francisquito over San Francisquito Cn Crk in Los Angeles County, California. It was built in 2005, so it is 20 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 4,458 vehicles a day, roughly 1% of them trucks, projected to reach 4,904 by 2041. The structure is 69 ft (21 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSan Francisquito
CrossesSan Francisquito Cn Crk
Location5.0MI N/O Copper Hill DR
RouteCounty Highway 0
Coordinates34.53624, -118.52764
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating62.8 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic4,458 (2012)
Projected traffic4,904 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 San Francisquito over San Francisquito Cn Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is San Francisquito over San Francisquito Cn Crk 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 2022.

How much traffic does San Francisquito over San Francisquito Cn Crk carry?

About 4,458 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is San Francisquito over San Francisquito Cn Crk?

The structure is 69 ft (21 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns San Francisquito over San Francisquito Cn Crk?

It is owned by the County Highway Agency.