US Bridges

Interstate 5 NB over The Old Road

Good

Los Angeles County, California · 07-LA-005-R47.83 · Structure no. 53 2790R

Built
1994
31 years old, rebuilt 2015
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
765 ft
3 main spans
Daily traffic
96,663
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over The Old Road is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 5 NB over The Old Road in Los Angeles County, California. It was built in 1994 and reconstructed in 2015, so it is 31 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 96,663 vehicles a day, roughly 9% of them trucks, projected to reach 101,199 by 2045. The structure is 765 ft (233.2 m) long and 88 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesInterstate 5 NB
CrossesThe Old Road
Location07-LA-005-R47.83
RouteInterstate 5
Coordinates34.34988, -118.54076
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length765 ft (233.2 m)
Longest span290 ft (88.4 m)
Deck width88 ft (26.7 m)
Roadway width84 ft (25.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,663 (2018)
Projected traffic101,199 by 2045
Trucks9%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 NB over The Old Road built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2015.

What condition is Interstate 5 NB 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 February 2025.

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

About 96,663 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Interstate 5 NB over The Old Road?

The structure is 765 ft (233.2 m) long with a longest span of 290 ft (88.4 m) and a deck 88 ft wide.

Who owns Interstate 5 NB over The Old Road?

It is owned by the State Highway Agency.