US Bridges

U.S. Highway 101 over Coronado Street

Fair

Los Angeles County, California · 07-LA-101-3.20-LA · Structure no. 53 0615

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
175,000
2020 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Coronado Street is a concrete continuous tee beam carrying U.S. Highway 101 over Coronado Street in Los Angeles County, California. It was built in 1949, so it is 76 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 175,000 vehicles a day, roughly 10% of them trucks, projected to reach 232,859 by 2042. The structure is 136 ft (41.5 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesCoronado Street
Location07-LA-101-3.20-LA
RouteU.S. Route 101
Coordinates34.07442, -118.27185
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length136 ft (41.5 m)
Longest span64 ft (19.5 m)
Deck width134 ft (40.7 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175,000 (2020)
Projected traffic232,859 by 2042
Trucks10%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 101 over Coronado Street built?

It was built in 1949, making it 76 years old in 2025.

What condition is U.S. Highway 101 over Coronado Street 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 January 2024.

How much traffic does U.S. Highway 101 over Coronado Street carry?

About 175,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Coronado Street?

The structure is 136 ft (41.5 m) long with a longest span of 64 ft (19.5 m) and a deck 134 ft wide.

Who owns U.S. Highway 101 over Coronado Street?

It is owned by the State Highway Agency.