US Bridges

Parker RD over Route 5

Good

Los Angeles County, California · 07-LA-005-R59.01 · Structure no. 53 1909

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
232 ft
2 main spans
Daily traffic
5,647
2018 count
Owner
State
State Highway Agency

About this bridge

Parker RD over Route 5 is a concrete continuous box beam or girders - multiple carrying Parker RD over Route 5 in Los Angeles County, California. It was built in 1968, so it is 57 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 5,647 vehicles a day, roughly 25% of them trucks, projected to reach 6,991 by 2041. The structure is 232 ft (70.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesParker RD
CrossesRoute 5
Location07-LA-005-R59.01
RouteCity Street 0
Coordinates34.48947, -118.61954
Functional classRural Local

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span122 ft (37.2 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,647 (2018)
Projected traffic6,991 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Parker RD over Route 5 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Parker RD over Route 5 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 April 2023.

How much traffic does Parker RD over Route 5 carry?

About 5,647 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is Parker RD over Route 5?

The structure is 232 ft (70.7 m) long with a longest span of 122 ft (37.2 m) and a deck 44 ft wide.

Who owns Parker RD over Route 5?

It is owned by the State Highway Agency.