US Bridges

Interstate 405 over Sherman Way

Fair

Los Angeles County, California · 07-LA-405-42.36-LA · Structure no. 53 1178

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
179 ft
2 main spans
Daily traffic
220,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over Sherman Way is a concrete continuous box beam or girders - multiple carrying Interstate 405 over Sherman Way in Los Angeles County, California. It was built in 1963, 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 220,000 vehicles a day, roughly 4% of them trucks, projected to reach 328,296 by 2040. The structure is 179 ft (54.6 m) long and 152 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 405
CrossesSherman Way
Location07-LA-405-42.36-LA
RouteInterstate 405
Coordinates34.20095, -118.47329
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 inspectionJune 2023
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 rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span58 ft (17.7 m)
Deck width152 ft (46.3 m)
Roadway width148 ft (45.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220,000 (2019)
Projected traffic328,296 by 2040
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 405 over Sherman Way built?

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

What condition is Interstate 405 over Sherman Way 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 June 2023.

How much traffic does Interstate 405 over Sherman Way carry?

About 220,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Interstate 405 over Sherman Way?

The structure is 179 ft (54.6 m) long with a longest span of 58 ft (17.7 m) and a deck 152 ft wide.

Who owns Interstate 405 over Sherman Way?

It is owned by the State Highway Agency.