US Bridges

Interstate 5 over UP RR & AMTRAK

Fair

Los Angeles County, California · 07-LA-005-18.96-LA · Structure no. 53 0368

Built
1960
65 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
412 ft
4 main spans
Daily traffic
241,740
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over UP RR & AMTRAK is a steel stringer/multi-beam or girder carrying Interstate 5 over UP RR & AMTRAK in Los Angeles County, California. It was built in 1960, so it is 65 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 241,740 vehicles a day, roughly 6% of them trucks, projected to reach 257,000 by 2041. The structure is 412 ft (125.6 m) long and 144 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesUP RR & AMTRAK
Location07-LA-005-18.96-LA
RouteInterstate 5
Coordinates34.06259, -118.21555
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 inspectionMarch 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 alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length412 ft (125.6 m)
Longest span109 ft (33.2 m)
Deck width144 ft (43.8 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic241,740 (2020)
Projected traffic257,000 by 2041
Trucks6%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 Interstate 5 over UP RR & AMTRAK built?

It was built in 1960, making it 65 years old in 2025.

What condition is Interstate 5 over UP RR & AMTRAK 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 March 2023.

How much traffic does Interstate 5 over UP RR & AMTRAK carry?

About 241,740 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 5 over UP RR & AMTRAK?

The structure is 412 ft (125.6 m) long with a longest span of 109 ft (33.2 m) and a deck 144 ft wide.

Who owns Interstate 5 over UP RR & AMTRAK?

It is owned by the State Highway Agency.