US Bridges

I 5 over San Fernando Mission Bl

Fair

Los Angeles County, California · 07-LA-005-40.24-LA · Structure no. 53 1131

Built
1963
62 years old, rebuilt 2010
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
158 ft
4 main spans
Daily traffic
156,373
2018 count
Owner
State
State Highway Agency

About this bridge

I 5 over San Fernando Mission Bl is a concrete continuous box beam or girders - multiple carrying I 5 over San Fernando Mission Bl in Los Angeles County, California. It was built in 1963 and reconstructed in 2010, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 156,373 vehicles a day, roughly 10% of them trucks, projected to reach 210,335 by 2043. The structure is 158 ft (48.2 m) long and 188 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 5
CrossesSan Fernando Mission Bl
Location07-LA-005-40.24-LA
RouteInterstate 5
Coordinates34.27689, -118.45259
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length158 ft (48.2 m)
Longest span52 ft (16 m)
Deck width188 ft (57.2 m)
Roadway width163 ft (49.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156,373 (2018)
Projected traffic210,335 by 2043
Trucks10%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 5 over San Fernando Mission Bl built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2010.

What condition is I 5 over San Fernando Mission Bl in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does I 5 over San Fernando Mission Bl carry?

About 156,373 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 5 over San Fernando Mission Bl?

The structure is 158 ft (48.2 m) long with a longest span of 52 ft (16 m) and a deck 188 ft wide.

Who owns I 5 over San Fernando Mission Bl?

It is owned by the State Highway Agency.