US Bridges

I 110 over Century Blvd

Good

Los Angeles County, California · 07-LA-110-14.97-LA · Structure no. 53 0934

Built
1958
67 years old, rebuilt 1989
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
109 ft
1 main span
Daily traffic
244,000
2022 count
Owner
State
State Highway Agency

About this bridge

I 110 over Century Blvd is a concrete box beam or girders - multiple carrying I 110 over Century Blvd in Los Angeles County, California. It was built in 1958 and reconstructed in 1989, so it is 67 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 244,000 vehicles a day, roughly 6% of them trucks, projected to reach 295,667 by 2044. The structure is 109 ft (33.2 m) long and 214 ft wide.

CarriesI 110
CrossesCentury Blvd
Location07-LA-110-14.97-LA
RouteInterstate 110
Coordinates33.9454, -118.27942
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 alignment9: Superior to present desirable criteria
Operating rating110 US tons
Inventory rating68.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span105 ft (32 m)
Deck width214 ft (65.1 m)
Roadway width209 ft (63.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244,000 (2022)
Projected traffic295,667 by 2044
Trucks6%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 I 110 over Century Blvd built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.

What condition is I 110 over Century Blvd in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does I 110 over Century Blvd carry?

About 244,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 110 over Century Blvd?

The structure is 109 ft (33.2 m) long with a longest span of 105 ft (32 m) and a deck 214 ft wide.

Who owns I 110 over Century Blvd?

It is owned by the State Highway Agency.