US Bridges

U.S. Highway 101 over Caballero Creek

Fair

Los Angeles County, California · 07-LA-101-20.88-LA · Structure no. 53 2132

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
325 ft
3 main spans
Daily traffic
285,000
2018 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Caballero Creek is a concrete culvert carrying U.S. Highway 101 over Caballero Creek in Los Angeles County, California. It was built in 1959, so it is 66 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 6 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 285,000 vehicles a day, roughly 3% of them trucks, projected to reach 343,966 by 2045. The structure is 325 ft (99.1 m) long and 132 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesU.S. Highway 101
CrossesCaballero Creek
Location07-LA-101-20.88-LA
RouteU.S. Route 101
CountyLos Angeles County
StateCalifornia
Coordinates34.17168, -118.53064
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadUnknown
Structure length325 ft (99.1 m)
Longest span11 ft (3.4 m)
Deck width132 ft (40.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285,000 (2018)
Projected traffic343,966 by 2045
Trucks3%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 U.S. Highway 101 over Caballero Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is U.S. Highway 101 over Caballero Creek 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 U.S. Highway 101 over Caballero Creek carry?

About 285,000 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is U.S. Highway 101 over Caballero Creek?

The structure is 325 ft (99.1 m) long with a longest span of 11 ft (3.4 m) and a deck 132 ft wide.

Who owns U.S. Highway 101 over Caballero Creek?

It is owned by the State Highway Agency.