US Bridges

Soledad Cyn RD over Santa Clara Riv Br

Poor

Los Angeles County, California · 0.3MI E/O Agua Dulce Cy · Structure no. 53C0488

Built
1936
89 years old, rebuilt 1940
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
323 ft
6 main spans
Daily traffic
2,550
2017 count
Owner
County
County Highway Agency

About this bridge

Soledad Cyn RD over Santa Clara Riv Br is a steel stringer/multi-beam or girder carrying Soledad Cyn RD over Santa Clara Riv Br in Los Angeles County, California. It was built in 1936 and reconstructed in 1940, so it is 89 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,550 vehicles a day, roughly 4% of them trucks, projected to reach 2,805 by 2043. The structure is 323 ft (98.5 m) long and 26 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesSoledad Cyn RD
CrossesSanta Clara Riv Br
Location0.3MI E/O Agua Dulce Cy
RouteCounty Highway 0Q065
Coordinates34.43699, -118.33456
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans6 (+2 approach)
Design loadUnknown
Structure length323 ft (98.5 m)
Longest span50 ft (15.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2017)
Projected traffic2,805 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Soledad Cyn RD over Santa Clara Riv Br built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1940.

What condition is Soledad Cyn RD over Santa Clara Riv Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Soledad Cyn RD over Santa Clara Riv Br carry?

About 2,550 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Soledad Cyn RD over Santa Clara Riv Br?

The structure is 323 ft (98.5 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Soledad Cyn RD over Santa Clara Riv Br?

It is owned by the County Highway Agency.