US Bridges

3rd ST-S110 on Rmp over State Route 110

Good

Los Angeles County, California · 07-LA-110-23.17-LA · Structure no. 53 0742K

Built
1951
74 years old, rebuilt 1972
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
257 ft
4 main spans
Daily traffic
18,000
2022 count
Owner
State
State Highway Agency

About this bridge

3rd ST-S110 on Rmp over State Route 110 is a concrete continuous box beam or girders - multiple carrying 3rd ST-S110 on Rmp over State Route 110 in Los Angeles County, California. It was built in 1951 and reconstructed in 1972, so it is 74 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 18,000 vehicles a day, roughly 1% of them trucks, projected to reach 18,859 by 2041. The structure is 257 ft (78.3 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries3rd ST-S110 on Rmp
CrossesState Route 110
Location07-LA-110-23.17-LA
RouteState Highway 110
Coordinates34.05663, -118.25581
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
Inspection intervalevery 48 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating75.4 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length257 ft (78.3 m)
Longest span92 ft (28 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2022)
Projected traffic18,859 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 3rd ST-S110 on Rmp over State Route 110 built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1972.

What condition is 3rd ST-S110 on Rmp over State Route 110 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 September 2024.

How much traffic does 3rd ST-S110 on Rmp over State Route 110 carry?

About 18,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is 3rd ST-S110 on Rmp over State Route 110?

The structure is 257 ft (78.3 m) long with a longest span of 92 ft (28 m) and a deck 34 ft wide.

Who owns 3rd ST-S110 on Rmp over State Route 110?

It is owned by the State Highway Agency.