Los Angeles County, CA

3,937 public highway bridges

Los Angeles County Bridge Snapshot

Los Angeles County, California contains 3,937 public highway bridges in the FHWA National Bridge Inventory. Roughly 34.3% are rated “Good,” 17.1% “Fair,” 2.2% “Poor,” and 2.2% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

3,937
Total Bridges
34.3%
Good
2.2%
Poor
2.2%
Structurally Deficient

Condition Distribution

Good
34.3% (1,350)
Fair
17.1% (675)
Poor
2.2% (88)
SD
2.2% (88)

All Bridges (3,937)

UPRR

Unknown

Over: BALDWIN AVENUE

_, Los Angeles, CA

Built 2015 ADT: 26,282

UPRR

Unknown

Over: PASSONS BLVD

350FT N/O SLAUSON AVE, Los Angeles, CA

Built 2013 ADT: 8,451

Bessie Ave. POC

Unknown

Over: Baldwin Avenue

0.3 MI NORTH OF VALLEY BL, Los Angeles, CA

Built 2015 ADT: 26,282

METRO GOLD LINE

Unknown

Over: SANTA ANITA AVE

0.29 MI N/O HUNTINGTON DR, Los Angeles, CA

Built 2014 ADT: 15,157

BNSF

Unknown

Over: Valley View Ave

0.3M S/O ROSECRANS AVE., Los Angeles, CA

Built 2015 ADT: 44,294

EXPOSITION LRT

Unknown

Over: CLOVERFIELD BLVD

80FT S/O OLYMPIC BLVD, Los Angeles, CA

Built 2013 ADT: 13,520

EXPOSITION LRT

Unknown

Over: OLYMPIC BLVD

581 FT W/O CLOVERFIELD BL, Los Angeles, CA

Built 2013 ADT: 13,520

EXPOSITION LRT

Unknown

Over: S. CENTINELA AVE

330 FT S/O W. OLYMIPIC BL, Los Angeles, CA

Built 2014 ADT: 13,520

Paseo Valencia

Unknown

Over: Del Monte Drive

0.2 MI E/O MCBEAN PKWY, Los Angeles, CA

Built 2014 ADT: 4,000

HALE MEDICAL POC

Unknown

Over: HUNTINGTON DR

0.7 MI W/O SANTA ANITA AV, Los Angeles, CA

Built 2014 ADT: 13,520

PASEO VALENCIA

Unknown

Over: JOHN RUSSELL

634 FT W/O CORTINA DR, Los Angeles, CA

Built 2016 ADT: 2,200

LT RAIL EXPO LINE

Unknown

Over: SR 187/VENICE BLVD

07-LA-187-7.76-CLC, Los Angeles, CA

Built 2014 ADT: 42,250

LT RAIL EXPO LINE

Unknown

Over: SR 187/VENICE BLVD

07-LA-187-7.76-CLC, Los Angeles, CA

Built 2014 ADT: 42,250

METRO GOLD LINE S

Unknown

Over: FOOTHILL BLVD

0.37 MI W/O AZUSA AVE, Los Angeles, CA

Built 2014 ADT: 15,600

METRO GOLD LINE N

Unknown

Over: FOOTHILL BLVD

0.37 MI W/O AZUSA AVE, Los Angeles, CA

Built 2014 ADT: 15,600

Edison POC

Unknown

Over: Walnut Grove Ave

2244 WALNUT GROVE, Los Angeles, CA

Built 2014 ADT: 17,934

UPRR (ACTA)

Unknown

Over: NOGALES STREET

430 FEET N/O OF GALE AVE, Los Angeles, CA

Built 2017 ADT: 40,898

LIGHT RAIL TRANSIT

Unknown

Over: AVIATION BLVD

350 FT S/O IMPERIAL HWY, Los Angeles, CA

Built 2020 ADT: 21,649

LIGHT RAIL TRANSIT

Unknown

Over: IMPERIAL HIGHWAY

50 FT W/O AVIATION BLVD, Los Angeles, CA

Built 2020 ADT: 25,616

LA METRO

Unknown

Over: LA CIENEGA BLVD

100 FT N/O W FLORENCE AVE, Los Angeles, CA

Built 2017 ADT: 15,000

VALLEY BLVD

Unknown

Over: PUENTE AVE

0.5 MI EO VINELAND AVE, Los Angeles, CA

Built 2018 ADT: 21,306

METRO LINE

Unknown

Over: PUENTE AVE

0.5 MI EO VINELAND AVE, Los Angeles, CA

Built 2018 ADT: 23,730

PEDESTRIAN

Unknown

Over: MISSION ROAD

0.24 MI S. OF 4TH ST, Los Angeles, CA

Built 2022 ADT: 4,500

PEDESTRIAN

Unknown

Over: MISSION ROAD

0.24 MI S. OF 4TH ST, Los Angeles, CA

Built 2022 ADT: 4,500

INTERSTATE 110

Fair

Over: DOMINGUEZ CHANNEL

07-LA-110-9.13-LA, Los Angeles, CA

Built 1960 Load: 10.4 t ADT: 273,760

THE TOLEDO E

Fair

Over: RIVO ALTO CANAL

0.1MI E/O RAVENNA DR, Los Angeles, CA

Built 1967 Load: 12.0 t ADT: 1,020

THE TOLEDO, W

Fair

Over: RIVO ALTO CANAL

0.2MI W/O RAVENNA DR, Los Angeles, CA

Built 1967 Load: 12.0 t ADT: 1,836

STATE ROUTE 138

Fair

Over: CALIFORNIA AQUEDUCT

07-LA-138-14.60, Los Angeles, CA

Built 1968 Load: 13.9 t ADT: 3,050

INTERSTATE 405

Fair

Over: UP RR, AMTRAK, METROLINK

07-LA-405-43.42-LA, Los Angeles, CA

Built 1963 Load: 14.3 t ADT: 216,000

TELEGRAPH RD

Fair

Over: SAN GABRIEL RIV

0.2MI W/O I-605 FWY, Los Angeles, CA

Built 1937 Load: 14.6 t ADT: 44,300

STATE ROUTE 18

Fair

Over: UP RR

07-LA-018-0.19, Los Angeles, CA

Built 1967 Load: 14.9 t ADT: 6,800

DELL AVE

Fair

Over: CARROLL CANAL

200FT S/O VENICE BLVD, Los Angeles, CA

Built 1907 Load: 14.9 t ADT: 1,582

DELL AVENUE

Fair

Over: LINNIE CANAL

480FT S/O VENICE BLVD, Los Angeles, CA

Built 1907 Load: 14.9 t ADT: 1,582

DELL AVENUE

Fair

Over: HOWLAND CANAL

1.5MI S/O VENICE BLVD, Los Angeles, CA

Built 1907 Load: 14.9 t ADT: 1,582

DELL AVENUE

Fair

Over: SHERMAN CANAL

0.2MI S/O VENICE BLVD, Los Angeles, CA

Built 1907 Load: 14.9 t ADT: 1,582

ALONDRA BLVD

Fair

Over: LOS ANGELES RIV

0.1MI E/O I-710 FWY, Los Angeles, CA

Built 1958 Load: 15.2 t ADT: 27,756

CHANNEL LANE

Fair

Over: SANTA MONICA CYN CHANNEL

0.1 N/O ENTRADA DR, Los Angeles, CA

Built 1940 Load: 15.6 t ADT: 135

DIMMICK DR.

Fair

Over: DIMMICK DR.

200FT FROM CRANE BLVD, Los Angeles, CA

Built 1926 Load: 15.6 t ADT: 50

NEOPOLITAN LN W

Fair

Over: RIVO ALTO CANAL

400FT S/O THE TOLEDO W, Los Angeles, CA

Built 1976 Load: 15.9 t ADT: 612

ROSECRANS AVE

Fair

Over: SAN GABRIEL RIV

0.3MI W/O I-605 FWY, Los Angeles, CA

Built 1951 Load: 15.9 t ADT: 28,840

NEOPOLITAN LN E

Fair

Over: RIVO ALTO CANAL

400FT S/O THE TOLEDO E, Los Angeles, CA

Built 1968 Load: 16.2 t ADT: 612

SAINT ESTABAN ST

Fair

Over: HAINES CANYON CHANNEL

AT COMMERCE AVE, Los Angeles, CA

Built 1938 Load: 16.2 t ADT: 497

MCVINE AVENUE

Fair

Over: HAINES CANYON CHANNEL

100 FT S/O FOOTHILL BLVD, Los Angeles, CA

Built 1936 Load: 16.2 t ADT: 1,925

ROSCOE BLVD

Fair

Over: CHATSWORTH CREEK

0.2 M E/O WOODLAKE AVE, Los Angeles, CA

Built 1927 Load: 16.2 t ADT: 14,036

PRAIRIE AVE

Fair

Over: MOBIL OIL CO ACCESS RD

0.2MI S/O 190TH ST, Los Angeles, CA

Built 1975 Load: 16.2 t ADT: 52,000

MT GLEASON AVENUE

Fair

Over: HAINES CANYON CHANNEL

VALMONT STREET, Los Angeles, CA

Built 1936 Load: 16.2 t ADT: 1,674

HAINES CANYON AVE

Fair

Over: HAINES CANYON CHANNEL

0.2 MI N/O APPERSON ST, Los Angeles, CA

Built 1937 Load: 16.2 t ADT: 1,885

INTERSTATE 10

Fair

Over: BAGLEY AVE

07-LA-010-R7.58-LA, Los Angeles, CA

Built 1964 Load: 17.2 t ADT: 268,000

STURTEVANT DR

Fair

Over: SIERRA MADRE WASH

0.6MI W/O SANTA ANITA AVE, Los Angeles, CA

Built 1934 Load: 17.2 t ADT: 102

KESTER AVE

Fair

Over: LOS ANGELES RIVER

200' NORTH OF US-101, Los Angeles, CA

Built 1972 Load: 17.5 t ADT: 30,450

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial