US Bridges

Interstate 5 SB over Lake Hughes RD

Good

Los Angeles County, California · 07-LA-005-R59.49 · Structure no. 53 1908L

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
190 ft
3 main spans
Daily traffic
37,177
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over Lake Hughes RD is a concrete continuous box beam or girders - multiple carrying Interstate 5 SB over Lake Hughes RD in Los Angeles County, California. It was built in 1968, so it is 57 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 37,177 vehicles a day, roughly 12% of them trucks, projected to reach 53,065 by 2041. The structure is 190 ft (57.9 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5 SB
CrossesLake Hughes RD
Location07-LA-005-R59.49
RouteInterstate 5
Coordinates34.49564, -118.62371
Functional classUrban Principal Arterial - Interstate

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 inspectionApril 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span104 ft (31.7 m)
Deck width84 ft (25.6 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,177 (2018)
Projected traffic53,065 by 2041
Trucks12%
Lanes on structure5
Traffic directionOne-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 Interstate 5 SB over Lake Hughes RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is Interstate 5 SB over Lake Hughes RD 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 April 2023.

How much traffic does Interstate 5 SB over Lake Hughes RD carry?

About 37,177 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Interstate 5 SB over Lake Hughes RD?

The structure is 190 ft (57.9 m) long with a longest span of 104 ft (31.7 m) and a deck 84 ft wide.

Who owns Interstate 5 SB over Lake Hughes RD?

It is owned by the State Highway Agency.