US Bridges

Interstate 110 over SR 1 (pacific Coast Hwy)

Fair

Los Angeles County, California · 07-LA-110-4.06-LA · Structure no. 53 0969

Built
1956
69 years old, rebuilt 1995
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
120 ft
1 main span
Daily traffic
93,900
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over SR 1 (pacific Coast Hwy) is a concrete box beam or girders - multiple carrying Interstate 110 over SR 1 (pacific Coast Hwy) in Los Angeles County, California. It was built in 1956 and reconstructed in 1995, so it is 69 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 93,900 vehicles a day, roughly 6% of them trucks, projected to reach 115,143 by 2046. The structure is 120 ft (36.6 m) long and 200 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 110
CrossesSR 1 (pacific Coast Hwy)
Location07-LA-110-4.06-LA
RouteInterstate 110
Coordinates33.79037, -118.28165
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating74 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width200 ft (61 m)
Roadway width171 ft (52 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,900 (2022)
Projected traffic115,143 by 2046
Trucks6%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Interstate 110 over SR 1 (pacific Coast Hwy) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1995.

What condition is Interstate 110 over SR 1 (pacific Coast Hwy) 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 Interstate 110 over SR 1 (pacific Coast Hwy) carry?

About 93,900 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Interstate 110 over SR 1 (pacific Coast Hwy)?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 200 ft wide.

Who owns Interstate 110 over SR 1 (pacific Coast Hwy)?

It is owned by the State Highway Agency.