US Bridges

205th ST W over California Aqueduct

Fair

Los Angeles County, California · 0.9MI S/O Ave D · Structure no. 53C1917

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
102
2016 count
Owner
State
Other State Agency

About this bridge

205th ST W over California Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying 205th ST W over California Aqueduct in Los Angeles County, California. It was built in 1989, so it is 36 years old, younger 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 102 vehicles a day, roughly 1% of them trucks, projected to reach 102 by 2044. The structure is 101 ft (30.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries205th ST W
CrossesCalifornia Aqueduct
Location0.9MI S/O Ave D
RouteCounty Highway 0
CountyLos Angeles County
StateCalifornia
Coordinates34.74729, -118.48714
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length101 ft (30.7 m)
Longest span97 ft (29.6 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2016)
Projected traffic102 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 205th ST W over California Aqueduct built?

It was built in 1989, making it 36 years old in 2025.

What condition is 205th ST W over California Aqueduct 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 April 2024.

How much traffic does 205th ST W over California Aqueduct carry?

About 102 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is 205th ST W over California Aqueduct?

The structure is 101 ft (30.7 m) long with a longest span of 97 ft (29.6 m) and a deck 26 ft wide.

Who owns 205th ST W over California Aqueduct?

It is owned by the Other State Agency.