US Bridges

Interstate 5 over Metrolink&up RR TUNNEL#5

Fair

Los Angeles County, California · 07-LA-005S-C45.75 · Structure no. 53 0849

Built
1955
70 years old, rebuilt 1975
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
132 ft
4 main spans
Daily traffic
203,359
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Metrolink&up RR TUNNEL#5 is a concrete continuous tee beam carrying Interstate 5 over Metrolink&up RR TUNNEL#5 in Los Angeles County, California. It was built in 1955 and reconstructed in 1975, so it is 70 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 203,359 vehicles a day, roughly 40% of them trucks, projected to reach 253,424 by 2041. The structure is 132 ft (40.2 m) long and 88 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesInterstate 5
CrossesMetrolink&up RR TUNNEL#5
Location07-LA-005S-C45.75
RouteInterstate 5
CountyLos Angeles County
StateCalifornia
Coordinates34.33616, -118.50811
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span51 ft (15.6 m)
Deck width88 ft (26.7 m)
Roadway width84 ft (25.5 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic203,359 (2018)
Projected traffic253,424 by 2041
Trucks40%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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 Metrolink&up RR TUNNEL#5 built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1975.

What condition is Interstate 5 over Metrolink&up RR TUNNEL#5 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 August 2023.

How much traffic does Interstate 5 over Metrolink&up RR TUNNEL#5 carry?

About 203,359 vehicles per day (2018 count), of which roughly 40% are trucks.

How long is Interstate 5 over Metrolink&up RR TUNNEL#5?

The structure is 132 ft (40.2 m) long with a longest span of 51 ft (15.6 m) and a deck 88 ft wide.

Who owns Interstate 5 over Metrolink&up RR TUNNEL#5?

It is owned by the State Highway Agency.