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)

WOODLAND DR

Good

Over: SIERRA MADRE WASH

1.5MI N/O I-10 FWY, Los Angeles, CA

Built 1928 Load: 18.5 t ADT: 116

LAS ROCAS DR

Good

Over: SIERRA MADRE WASH

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

Built 1928 Load: 18.5 t ADT: 378

E10-S57&N57 CONN

Good

Over: KELLOGG DR

07-LA-010-42.10-POM, Los Angeles, CA

Built 1972 Load: 18.8 t ADT: 8,200

STATE ROUTE 2

Good

Over: FERN CANYON

07-LA-002-29.55, Los Angeles, CA

Built 1931 Load: 19.1 t ADT: 3,700

ATLANTIC TO N71O

Good

Over: LOS ANGELES RIVER

07-LA-710-13.09-LBCH, Los Angeles, CA

Built 1971 Load: 19.1 t ADT: 5,250

GENEVA ST

Good

Over: VERDUGO WASH

0.1MI N/O US-101 FWY, Los Angeles, CA

Built 1938 Load: 19.4 t ADT: 5,356

MARMION WAY

Good

Over: ARROYO SECO CHANNEL

AT SR 110, Los Angeles, CA

Built 1940 Load: 19.4 t ADT: 570

SUNSWEPT DRIVE

Good

Over: HILLSIDE

0.2 MI SW OF VANETTA DR, Los Angeles, CA

Built 1997 Load: 19.4 t ADT: 675

FLORENCE AVE

Good

Over: SAN GABRIEL RIV

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

Built 1951 Load: 19.8 t ADT: 37,078

NORTH BROADWAY

Good

Over: HILLSIDE NORTH BROADWAY

1.0 MI N OF U.S.-101, Los Angeles, CA

Built 1929 Load: 19.8 t ADT: 23,420

CHATEAU RD

Good

Over: UNNAMED WASH

0.2MI N/O US-101 FWY, Los Angeles, CA

Built 1940 Load: 19.8 t ADT: 510

U.S. HIGHWAY 101

Good

Over: VENDOME STREET

07-LA-101-3.63-LA, Los Angeles, CA

Built 1949 Load: 20.1 t ADT: 265,000

SOLEDAD CYN RD

Good

Over: NELSON CYN WASH

3MI E/O AGUA DULCE CYN RD, Los Angeles, CA

Built 1949 Load: 20.1 t ADT: 2,550

BROOKTREE ROAD

Good

Over: RUSTIC CANYON CHANNEL

BWEEN RANCH LN & HIGHTREE, Los Angeles, CA

Built 1996 Load: 20.1 t ADT: 300

INTERSTATE 405

Good

Over: MONTANA AVE

07-LA-405-32.50-LA, Los Angeles, CA

Built 1956 Load: 20.4 t ADT: 283,000

INTERSTATE 710

Good

Over: DEL AMO BLVD

07-LA-710-10.82-LBCH, Los Angeles, CA

Built 1953 Load: 20.4 t ADT: 190,000

STATE ROUTE 91

Good

Over: BIXBY AVE

07-LA-091-R15.87-BFL, Los Angeles, CA

Built 1968 Load: 20.4 t ADT: 242,000

INTERSTATE 605 SB

Good

Over: SANTA FE FLOOD BASIN

07-LA-605-25.09-IRW, Los Angeles, CA

Built 1970 Load: 20.4 t ADT: 67,000

EVERGREEN AVE

Good

Over: SAWPIT WASH

0.2MI W/O MOUNTAIN AVE, Los Angeles, CA

Built 1968 Load: 20.4 t ADT: 14,139

SOLEDAD CYN RD

Good

Over: INDIAN CYN CRK

0.4MI E/O AGUA DULCE CYN, Los Angeles, CA

Built 1946 Load: 20.7 t ADT: 1,204

STATE ROUTE 2

Good

Over: SLIDE CANYON

07-LA-002-28.58-PAS, Los Angeles, CA

Built 1931 Load: 21.1 t ADT: 3,700

STATE ROUTE 39

Good

Over: SAN GABRIEL RIVER

07-LA-039-17.82, Los Angeles, CA

Built 1933 Load: 21.1 t ADT: 2,350

INTERSTATE 5 SB

Good

Over: TEMPLIN HWY

07-LA-005-R65.97, Los Angeles, CA

Built 1967 Load: 21.1 t ADT: 36,843

INTERSTATE 5 NB

Good

Over: TEMPLIN HWY

07-LA-005-R65.97, Los Angeles, CA

Built 1967 Load: 21.1 t ADT: 36,843

STATE ROUTE 22 WB

Good

Over: SAN GABRIEL RIVER

07-LA-022-1.42-LBCH, Los Angeles, CA

Built 1959 Load: 21.4 t ADT: 51,000

S5TRK-SIERRA HWY

Good

Over: METROLINK&UP RR TUNNEL#5

07-LA-005S-C45.76, Los Angeles, CA

Built 1971 Load: 21.4 t ADT: 224

STATE ROUTE 210

Good

Over: LACMTA & BNSF RY

07-LA-210-R44.04-GDR, Los Angeles, CA

Built 1970 Load: 21.4 t ADT: 191,000

KAGEL CYN RD

Good

Over: KAGEL CYN CRK

2.5MI N/O FOOTHILL BLVD, Los Angeles, CA

Built 1952 Load: 21.4 t ADT: 1,632

BOWDOIN ST

Good

Over: PEDESTRIAN WALKWAY

0.1 M W/O TEMESCAL CYN RD, Los Angeles, CA

Built 1961 Load: 21.4 t ADT: 975

STATE ROUTE 57

Good

Over: COLD SPRING LANE

07-LA-057-R2.52-DMBR, Los Angeles, CA

Built 1972 Load: 21.7 t ADT: 198,000

MRTN L KING JR AVE

Good

Over: SPTCO

0.7MI N/O SR-1 HWY, Los Angeles, CA

Built 1957 Load: 21.7 t ADT: 6,695

BEL AIR RD

Good

Over: UNNAMED CREEK

SUNSET BL & ST PIERRE RD, Los Angeles, CA

Built 1923 Load: 21.7 t ADT: 4,750

SR 138 (PEARBLSSM)

Good

Over: LITTLE ROCK CREEK

07-LA-138-53.55, Los Angeles, CA

Built 1952 Load: 22.4 t ADT: 8,600

INTERSTATE 210

Good

Over: SUNFLOWER AVENUE

07-LA-210-R43.16-GDR, Los Angeles, CA

Built 1970 Load: 22.4 t ADT: 257,000

STATE ROUTE 39

Good

Over: N FORK SAN GABRIEL RIVER

07-LA-039-R31.25, Los Angeles, CA

Built 1967 Load: 22.4 t ADT: 830

ROSCOE BLVD

Good

Over: ALISO CREEK

0.1 MI W/O WILBUR AVE., Los Angeles, CA

Built 1955 Load: 22.7 t ADT: 35,929

VAL VISTA ST

Good

Over: SAN JOSE CRK

0.1MI N/O I-10 FWY, Los Angeles, CA

Built 1964 Load: 22.7 t ADT: 2,538

STATE ROUTE 27

Good

Over: BELL CREEK

07-LA-027-14.27-LA, Los Angeles, CA

Built 1949 Load: 23.0 t ADT: 42,000

SAN GABRIEL BLVD

Good

Over: ALHAMBRA WASH

100FT S/O GARVEY AVE, Los Angeles, CA

Built 1935 Load: 23.0 t ADT: 24,637

AVENUE 43

Good

Over: ARROYO SECO CHANNEL

AT SR 110, Los Angeles, CA

Built 1939 Load: 23.0 t ADT: 4,001

STATE ROUTE 91

Good

Over: ORANGE AVE

07-LA-091-R12.59-LBCH, Los Angeles, CA

Built 1970 Load: 23.3 t ADT: 260,000

ROSEMEAD BLVD

Good

Over: EATON WASH

0.1MI S/O BROADWAY, Los Angeles, CA

Built 1937 Load: 23.3 t ADT: 50,760

STATE ROUTE 2

Good

Over: HILLSIDE

07-LA-002-29.08-PAS, Los Angeles, CA

Built 1931 Load: 23.7 t ADT: 3,700

STATE ROUTE 39

Good

Over: CHAPMAN CANYON

07-LA-039-18.36, Los Angeles, CA

Built 1934 Load: 23.7 t ADT: 2,350

AVENUE 52

Good

Over: ARROYO SECO

0.1 MI SOUTH OF SR 110, Los Angeles, CA

Built 1940 Load: 23.7 t ADT: 5,370

HEATHFIELD DR

Good

Over: LA MIRADA CRK

0.1MI E/O TIGRINA AVE, Los Angeles, CA

Built 1955 Load: 23.7 t ADT: 202

INTERSTATE 405

Good

Over: DOMINGUEZ CHANNEL

07-LA-405-9.76-CRSN, Los Angeles, CA

Built 1962 Load: 24.0 t ADT: 237,800

N57-I10 CONNECTOR

Good

Over: SAN JOSE FLD CNTRL CHNNL

07-LA-057-R7.33-POM, Los Angeles, CA

Built 1972 Load: 24.0 t ADT: 30,000

RIVERSIDE DR

Good

Over: BURBANK WESTERN CHAN

0.8MI W/O I-5 FWY, Los Angeles, CA

Built 1940 Load: 24.0 t ADT: 6,592

SATICOY ST

Good

Over: ALISO CREEK

0.44MI W/O RESEDA BLVD, Los Angeles, CA

Built 1954 Load: 24.2 t ADT: 29,369

Read our methodology — how this data is sourced, computed, and verified.

Related

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