US Bridges

Interstate 5 over Parker Road Drain

Good

Los Angeles County, California · 07-LA-005-R58.70 · Structure no. 53 2353M

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
74,354
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Parker Road Drain is a concrete continuous culvert carrying Interstate 5 over Parker Road Drain 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 74,354 vehicles a day, roughly 12% of them trucks, projected to reach 106,130 by 2041. The structure is 23 ft (7.1 m) long and 171 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesParker Road Drain
Location07-LA-005-R58.70
RouteInterstate 5
Coordinates34.48577, -118.61565
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span12 ft (3.6 m)
Deck width171 ft (52 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,354 (2018)
Projected traffic106,130 by 2041
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 5 over Parker Road Drain built?

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

What condition is Interstate 5 over Parker Road Drain 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 Interstate 5 over Parker Road Drain carry?

About 74,354 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Interstate 5 over Parker Road Drain?

The structure is 23 ft (7.1 m) long with a longest span of 12 ft (3.6 m) and a deck 171 ft wide.

Who owns Interstate 5 over Parker Road Drain?

It is owned by the State Highway Agency.