US Bridges

Castaic RD over Violin Crk

Fair

Los Angeles County, California · 1.0MI N/O Lake Hughes RD · Structure no. 53C0114

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
54 ft
2 main spans
Daily traffic
8,652
2017 count
Owner
County
County Highway Agency

About this bridge

Castaic RD over Violin Crk is a concrete slab carrying Castaic RD over Violin Crk in Los Angeles County, California. It was built in 1930, so it is 95 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,652 vehicles a day, roughly 2% of them trucks, projected to reach 9,950 by 2043. The structure is 54 ft (16.5 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCastaic RD
CrossesViolin Crk
Location1.0MI N/O Lake Hughes RD
RouteCounty Highway 0
Coordinates34.50824, -118.63238
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,652 (2017)
Projected traffic9,950 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Castaic RD over Violin Crk built?

It was built in 1930, making it 95 years old in 2025.

What condition is Castaic RD over Violin Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Castaic RD over Violin Crk carry?

About 8,652 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Castaic RD over Violin Crk?

The structure is 54 ft (16.5 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns Castaic RD over Violin Crk?

It is owned by the County Highway Agency.