US Bridges

Interstate 405 over BNSF RY Spur

Good

Los Angeles County, California · 07-LA-405-18.92-HAW · Structure no. 53 1235

Built
1963
62 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
260,800
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 405 over BNSF RY Spur is a concrete frame carrying Interstate 405 over BNSF RY Spur 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260,800 vehicles a day, roughly 5% of them trucks, projected to reach 309,310 by 2041. The structure is 27 ft (8.2 m) long and 198 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesInterstate 405
CrossesBNSF RY Spur
Location07-LA-405-18.92-HAW
RouteInterstate 405
Coordinates33.89747, -118.36947
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment9: Superior to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width198 ft (60.3 m)
Roadway width131 ft (40 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260,800 (2019)
Projected traffic309,310 by 2041
Trucks5%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 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 BNSF RY Spur built?

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

What condition is Interstate 405 over BNSF RY Spur 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 October 2024.

How much traffic does Interstate 405 over BNSF RY Spur carry?

About 260,800 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Interstate 405 over BNSF RY Spur?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 198 ft wide.

Who owns Interstate 405 over BNSF RY Spur?

It is owned by the State Highway Agency.