US Bridges

Interstate 5 over Slauson Ave & UP RR

Fair

Los Angeles County, California · 07-LA-005-9.70-CMRC · Structure no. 53 0638

Built
1953
72 years old, rebuilt 1982
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
434 ft
6 main spans
Daily traffic
218,000
2013 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Slauson Ave & UP RR is a concrete continuous box beam or girders - multiple carrying Interstate 5 over Slauson Ave & UP RR in Los Angeles County, California. It was built in 1953 and reconstructed in 1982, so it is 72 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 218,000 vehicles a day, projected to reach 253,106 by 2046. The structure is 434 ft (132.3 m) long and 136 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 5
CrossesSlauson Ave & UP RR
Location07-LA-005-9.70-CMRC
RouteInterstate 5
CountyLos Angeles County
StateCalifornia
Coordinates33.97436, -118.124
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length434 ft (132.3 m)
Longest span111 ft (33.8 m)
Deck width136 ft (41.5 m)
Roadway width124 ft (37.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218,000 (2013)
Projected traffic253,106 by 2046
Trucks0%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Slauson Ave & UP RR built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1982.

What condition is Interstate 5 over Slauson Ave & UP RR 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 November 2024.

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

About 218,000 vehicles per day (2013 count).

How long is Interstate 5 over Slauson Ave & UP RR?

The structure is 434 ft (132.3 m) long with a longest span of 111 ft (33.8 m) and a deck 136 ft wide.

Who owns Interstate 5 over Slauson Ave & UP RR?

It is owned by the State Highway Agency.