US Bridges

State Route 110 SB over Hillside

Good

Los Angeles County, California · 07-LA-110-24.75L-LA · Structure no. 53 2859L

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
709 ft
24 main spans
Daily traffic
91,500
2022 count
Owner
State
State Highway Agency

About this bridge

State Route 110 SB over Hillside is a concrete continuous slab carrying State Route 110 SB over Hillside in Los Angeles County, California. It was built in 2001, so it is 24 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 91,500 vehicles a day, roughly 1% of them trucks, projected to reach 82,249 by 2044. The structure is 709 ft (216.2 m) long and 10 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 110 SB
CrossesHillside
Location07-LA-110-24.75L-LA
RouteState Highway 110
Coordinates34.07143, -118.23518
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans24
Design loadHS 20 + Mod
Structure length709 ft (216.2 m)
Longest span30 ft (9.1 m)
Deck width10 ft (3 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,500 (2022)
Projected traffic82,249 by 2044
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 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 State Route 110 SB over Hillside built?

It was built in 2001, making it 24 years old in 2025.

What condition is State Route 110 SB over Hillside 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 October 2024.

How much traffic does State Route 110 SB over Hillside carry?

About 91,500 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is State Route 110 SB over Hillside?

The structure is 709 ft (216.2 m) long with a longest span of 30 ft (9.1 m) and a deck 10 ft wide.

Who owns State Route 110 SB over Hillside?

It is owned by the State Highway Agency.