US Bridges

E. Lambert On-Ramp over Lambert RD

Good

Orange County, California · 12-ORA-057-20.88-BRE · Structure no. 55 0492S

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
175 ft
1 main span
Daily traffic
24,500
2020 count
Owner
State
State Highway Agency

About this bridge

E. Lambert On-Ramp over Lambert RD is a concrete box beam or girders - multiple carrying E. Lambert On-Ramp over Lambert RD in Orange County, California. It was built in 2022, so it is 3 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 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 24,500 vehicles a day, roughly 3% of them trucks, projected to reach 31,000 by 2041. The structure is 175 ft (53.2 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE. Lambert On-Ramp
CrossesLambert RD
Location12-ORA-057-20.88-BRE
RouteState Highway 57
Coordinates33.92508, -117.87967
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length175 ft (53.2 m)
Longest span174 ft (53 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,500 (2020)
Projected traffic31,000 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 E. Lambert On-Ramp over Lambert RD built?

It was built in 2022, making it 3 years old in 2025.

What condition is E. Lambert On-Ramp over Lambert RD 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 June 2024.

How much traffic does E. Lambert On-Ramp over Lambert RD carry?

About 24,500 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is E. Lambert On-Ramp over Lambert RD?

The structure is 175 ft (53.2 m) long with a longest span of 174 ft (53 m) and a deck 39 ft wide.

Who owns E. Lambert On-Ramp over Lambert RD?

It is owned by the State Highway Agency.