US Bridges

State Route 110 SB over Hillside

Fair

Los Angeles County, California · 07-LA-110-25.27L-LA · Structure no. 53 2857L

Built
2001
24 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
353 ft
4 main spans
Daily traffic
183,000
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 110 SB over Hillside is a prestressed concrete continuous box beam or girders - multiple 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 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 183,000 vehicles a day, roughly 1% of them trucks, projected to reach 163,408 by 2046. The structure is 353 ft (107.5 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 110 SB
CrossesHillside
Location07-LA-110-25.27L-LA
RouteState Highway 110
CountyLos Angeles County
StateCalifornia
Coordinates34.0776, -118.22956
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length353 ft (107.5 m)
Longest span100 ft (30.5 m)
Deck width18 ft (5.4 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183,000 (2018)
Projected traffic163,408 by 2046
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 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 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 October 2024.

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

About 183,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is State Route 110 SB over Hillside?

The structure is 353 ft (107.5 m) long with a longest span of 100 ft (30.5 m) and a deck 18 ft wide.

Who owns State Route 110 SB over Hillside?

It is owned by the State Highway Agency.