US Bridges

San Fernando RD W over I-5 Supplemental Route

Good

Los Angeles County, California · 07-LA-005S-25.33-LA · Structure no. 53 1107

Built
1957
68 years old
Condition
Good
inspected February 2022
Type
Slab
Concrete Continuous
Length
92 ft
2 main spans
Daily traffic
4,900
2012 count
Owner
State
State Highway Agency

About this bridge

San Fernando RD W over I-5 Supplemental Route is a concrete continuous slab carrying San Fernando RD W over I-5 Supplemental Route in Los Angeles County, California. It was built in 1957, so it is 68 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 4,900 vehicles a day, roughly 3% of them trucks, projected to reach 7,630 by 2044. The structure is 92 ft (27.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSan Fernando RD W
CrossesI-5 Supplemental Route
Location07-LA-005S-25.33-LA
RouteCity Street 0
Coordinates34.14183, -118.26976
Functional classUrban Minor Arterial

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 2022
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadH 20
Structure length92 ft (27.9 m)
Longest span45 ft (13.8 m)
Deck width53 ft (16.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2012)
Projected traffic7,630 by 2044
Trucks3%
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 San Fernando RD W over I-5 Supplemental Route built?

It was built in 1957, making it 68 years old in 2025.

What condition is San Fernando RD W over I-5 Supplemental Route 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 2022.

How much traffic does San Fernando RD W over I-5 Supplemental Route carry?

About 4,900 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is San Fernando RD W over I-5 Supplemental Route?

The structure is 92 ft (27.9 m) long with a longest span of 45 ft (13.8 m) and a deck 53 ft wide.

Who owns San Fernando RD W over I-5 Supplemental Route?

It is owned by the State Highway Agency.