US Bridges

Interstate 5 over The Old Road

Good

Los Angeles County, California · 07-LA-005S-C45.86 · Structure no. 53 0996R

Built
1975
50 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
416 ft
4 main spans
Daily traffic
101,280
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over The Old Road is a concrete continuous box beam or girders - multiple carrying Interstate 5 over The Old Road in Los Angeles County, California. It was built in 1975, so it is 50 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 101,280 vehicles a day, roughly 50% of them trucks, projected to reach 126,483 by 2041. The structure is 416 ft (126.8 m) long and 41 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesInterstate 5
CrossesThe Old Road
Location07-LA-005S-C45.86
RouteInterstate 5
Coordinates34.33653, -118.50987
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length416 ft (126.8 m)
Longest span126 ft (38.4 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,280 (2018)
Projected traffic126,483 by 2041
Trucks50%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 5 over The Old Road built?

It was built in 1975, making it 50 years old in 2025.

What condition is Interstate 5 over The Old Road 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 August 2023.

How much traffic does Interstate 5 over The Old Road carry?

About 101,280 vehicles per day (2018 count), of which roughly 50% are trucks.

How long is Interstate 5 over The Old Road?

The structure is 416 ft (126.8 m) long with a longest span of 126 ft (38.4 m) and a deck 41 ft wide.

Who owns Interstate 5 over The Old Road?

It is owned by the State Highway Agency.