US Bridges

State Route 1 over BNSF RY

Good

Los Angeles County, California · 07-LA-001-9.93-LA · Structure no. 53 0352

Built
1936
89 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
408 ft
8 main spans
Daily traffic
26,500
2023 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over BNSF RY is a steel stringer/multi-beam or girder carrying State Route 1 over BNSF RY in Los Angeles County, California. It was built in 1936, so it is 89 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 26,500 vehicles a day, roughly 11% of them trucks, projected to reach 36,500 by 2043. The structure is 408 ft (124.4 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 1
CrossesBNSF RY
Location07-LA-001-9.93-LA
RouteState Highway 1
CountyLos Angeles County
StateCalifornia
Coordinates33.79132, -118.2529
Functional classUrban Other Principal Arterial

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length408 ft (124.4 m)
Longest span62 ft (18.9 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2023)
Projected traffic36,500 by 2043
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 1 over BNSF RY built?

It was built in 1936, making it 89 years old in 2025.

What condition is State Route 1 over BNSF RY 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 July 2023.

How much traffic does State Route 1 over BNSF RY carry?

About 26,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is State Route 1 over BNSF RY?

The structure is 408 ft (124.4 m) long with a longest span of 62 ft (18.9 m) and a deck 76 ft wide.

Who owns State Route 1 over BNSF RY?

It is owned by the State Highway Agency.