US Bridges

E Frk RD over Graveyard Cyn Crk

Good

Los Angeles County, California · 2.7MI E/O San Gabrl Cn RD · Structure no. 53C0008

Built
1942
83 years old, rebuilt 1966
Condition
Good
inspected October 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
2,000
2012 count
Owner
County
County Highway Agency

About this bridge

E Frk RD over Graveyard Cyn Crk is a prestressed concrete box beam or girders - multiple carrying E Frk RD over Graveyard Cyn Crk in Los Angeles County, California. It was built in 1942 and reconstructed in 1966, so it is 83 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,200 by 2041. The structure is 59 ft (18 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesE Frk RD
CrossesGraveyard Cyn Crk
Location2.7MI E/O San Gabrl Cn RD
RouteCounty Highway 0W480
Coordinates34.23756, -117.81083
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,000 (2012)
Projected traffic2,200 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 E Frk RD over Graveyard Cyn Crk built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1966.

What condition is E Frk RD over Graveyard Cyn 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 October 2021.

How much traffic does E Frk RD over Graveyard Cyn Crk carry?

About 2,000 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is E Frk RD over Graveyard Cyn Crk?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns E Frk RD over Graveyard Cyn Crk?

It is owned by the County Highway Agency.