US Bridges

Interstate 110 over Gage Ave

Good

Los Angeles County, California · 07-LA-110-17.51-LA · Structure no. 53 0914

Built
1956
69 years old, rebuilt 1996
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
87 ft
1 main span
Daily traffic
300,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over Gage Ave is a concrete box beam or girders - multiple carrying Interstate 110 over Gage Ave in Los Angeles County, California. It was built in 1956 and reconstructed in 1996, 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 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 300,000 vehicles a day, roughly 5% of them trucks, projected to reach 348,337 by 2042. The structure is 87 ft (26.5 m) long and 191 ft wide.

CarriesInterstate 110
CrossesGage Ave
Location07-LA-110-17.51-LA
RouteInterstate 110
Coordinates33.98226, -118.2804
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 inspectionAugust 2023
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 rating72.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span80 ft (24.4 m)
Deck width191 ft (58.2 m)
Roadway width186 ft (56.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300,000 (2022)
Projected traffic348,337 by 2042
Trucks5%
Lanes on structure12
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 Interstate 110 over Gage Ave built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1996.

What condition is Interstate 110 over Gage Ave 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 August 2023.

How much traffic does Interstate 110 over Gage Ave carry?

About 300,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Interstate 110 over Gage Ave?

The structure is 87 ft (26.5 m) long with a longest span of 80 ft (24.4 m) and a deck 191 ft wide.

Who owns Interstate 110 over Gage Ave?

It is owned by the State Highway Agency.