Los Angeles County, CA

3,937 public highway bridges

Los Angeles County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Los Angeles County, California contains 3,937 public highway bridges. Roughly 34.3% are rated “Good,” 17.1% “Fair,” and 2.2% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

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

3,937

Total Bridges

34.3%

Good

17.1%

Fair

2.2%

Poor Condition

Condition Distribution

Good

34.3% (1,350)

Fair

17.1% (675)

Poor

2.2% (88)

All Bridges (3,937)

Sort:

ROUTE 14 SB

Over: RANCHO VISTA BOULEVARD

07-LA-014-R61.37-PMDL, Los Angeles, CA

Built 1972 ADT: 9,800

ROUTE 14 NB

Over: RANCHO VISTA BOULEVARD

07-LA-014-R61.37-PMDL, Los Angeles, CA

Built 1972 ADT: 9,800

STATE ROUTE 14

Over: AVENUE "K"

07-LA-014-R66.73-LAN, Los Angeles, CA

Built 1972 ADT: 11,225

STATE ROUTE 14

Over: AVENUE "K"

07-LA-014-R66.73-LAN, Los Angeles, CA

Built 1972 ADT: 11,225

STATE ROUTE 14

Over: LANCASTER BLVD

07-LA-014-R68.46-LAN, Los Angeles, CA

Built 1972 ADT: 2,596

EL SEGUNDO BL-N405

Over: UP RR & EL SEGUNDO BL

07-LA-405-20.17-HAW, Los Angeles, CA

Built 1989 ADT: 40,659

MADISON AVE UTL OC

Over: ROUTE 210

07-LA-210-R25.97-PAS, Los Angeles, CA

Built 1976 ADT: 294,000

BALBOA BLVD

Over: ROUTE 118

07-LA-118-R7.80-LA, Los Angeles, CA

Built 1976 ADT: 222,000

RUFFNER AVE

Over: STATE ROUTE 118

07-LA-118-R8.05-LA, Los Angeles, CA

Built 1976 ADT: 222,000

E210-ROSEMEAD OFF

Over: SIERRA MADRE & E210 ONRP

07-LA-210-R29.35-PAS, Los Angeles, CA

Built 1976 ADT: 5,200

ROUTE 105 & LRT

Over: ROUTE 405,CONNS,STREETS

07-LA-105-R2.00-HAW, Los Angeles, CA

Built 1991 ADT: 5,989

ROUTE 105 WB

Over: IMPERIAL HWY

07-LA-105-R0.39-LA, Los Angeles, CA

Built 1990 ADT: 20,400

ROUTE 105 EB

Over: IMPERIAL HWY

07-LA-105-R0.39-LA, Los Angeles, CA

Built 1990 ADT: 22,440

IMP HWY EB ONRMP

Over: IMPERIAL HWY EB

07-LA-105-R0.85-ESEG, Los Angeles, CA

Built 1989 ADT: 22,440

ROUTE 105 EB

Over: BROADWAY

07-LA-105-R7.56-LA, Los Angeles, CA

Built 1989 ADT: 9,180

FIGUEROA ST

Over: S110-W105 CONNECTOR RAMP

07-LA-110-13.85-LA, Los Angeles, CA

Built 1991 ADT: 20,000

E105-S110 CONN

Over: UP RR,117TH ST, FIGUEROA

07-LA-105-R7.20-LA, Los Angeles, CA

Built 1991 ADT: 5,100

E105-N110 CONN

Over: ROUTE 105, 110, LRT

07-LA-105-R7.02-LA, Los Angeles, CA

Built 1989 ADT: 4,590

W105 & LRT

Over: I 110,BROADWAY,FIGUEROA

07-LA-105-R7.26-LA, Los Angeles, CA

Built 1991 ADT: 95,574

E105 & LRT

Over: I 110,S110-E105,FIGUEROA

07-LA-105-R7.26-LA, Los Angeles, CA

Built 1986 ADT: 95,574

S110-E105 CONNECTR

Over: I 110,BUS,HOV,N110-W105

07-LA-110-13.90-LA, Los Angeles, CA

Built 1991 ADT: 1,000

W105-S110 CONN

Over: 105 & 110,BROADWAY,117TH

07-LA-105-R7.43-LA, Los Angeles, CA

Built 1991 ADT: 224,400

N&S110-E105 CONN

Over: UP RR, 117TH ST,BROADWAY

07-LA-110-13.70-LA, Los Angeles, CA

Built 1991 ADT: 1,000

ROUTE 105 WB

Over: MAIN STREET

07-LA-105-R7.79-LA, Los Angeles, CA

Built 1985 ADT: 12,500

ROUTE 105 EB

Over: MAIN STREET

07-LA-105-R7.79-LA, Los Angeles, CA

Built 1985 ADT: 12,500

S710-ROSECRANS BL

Over: E105-S710 CONNECTOR RAMP

07-LA-710-R15.20-LYN, Los Angeles, CA

Built 1990 ADT: 9,300

W105-S710 CONN

Over: ROUTE 105 & LRT, 710

07-LA-105-R13.65-LYN, Los Angeles, CA

Built 1993 ADT: 9,850

N710-W105 CONNECTO

Over: RTES 105 & 710,LRT,CONN

07-LA-710-R15.44-LYN, Los Angeles, CA

Built 1990 ADT: 16,300

E105-N710 CONN

Over: ROUTE 105, 710 & LRT

07-LA-105-R13.14-LYN, Los Angeles, CA

Built 1990 ADT: 9,250

ROUTE 105 & LRT

Over: W105-S710 CONN

07-LA-105-R13.47-PRM, Los Angeles, CA

Built 1993 ADT: 22,700

S710-E105 CONNECTO

Over: RTES 105 & 710, LTR&CONN

07-LA-710-R16.01-LYN, Los Angeles, CA

Built 1990 ADT: 210,000

GARFIELD-W105 ONRA

Over: W105-N&S 710 CONN

07-LA-105-R13.83-PRM, Los Angeles, CA

Built 1993 ADT: 31,200

GARFIELD AVE

Over: ROUTE 105, LRT

07-LA-105-R14.13-PRM, Los Angeles, CA

Built 1989 ADT: 228,000

FACADE AVE

Over: ROUTE 105, LRT, SOMERSET

07-LA-105-R14.34-PRM, Los Angeles, CA

Built 1988 ADT: 250,000

PARAMOUNT BLVD OC

Over: ROUTE 105, LRT

07-LA-105-R14.65-SGT, Los Angeles, CA

Built 1989 ADT: 228,000

PEDESTRIAN WALKWAY

Over: ROUTE 105, LRT, SOMERSET

07-LA-105-R14.43-PRM, Los Angeles, CA

Built 1988 ADT: 250,000

UP RR

Over: ROUTE 105, LRT, SOMERSET

07-LA-105-R14.38-PRM, Los Angeles, CA

Built 1988 ADT: 250,000

MERKEL AVENUE

Over: ROUTE 105, LRT, RAMPS

07-LA-105-R14.95-PRM, Los Angeles, CA

Built 1989 ADT: 800

DOWNEY AVE

Over: ROUTE 105, LRT

07-LA-105-R15.09-PRM, Los Angeles, CA

Built 1989 ADT: 233,000

GARDENDALE, LAUREL

Over: ROUTE 105, LRT

07-LA-105-R15.36-DNY, Los Angeles, CA

Built 1989 ADT: 233,000

DYNA-METRIC DRWY

Over: EB 134-SB 710 CONNECTOR

07-LA-134-R13.22-PAS, Los Angeles, CA

Built 1975 ADT: 14,100

HAWTHORNE BLVD

Over: ROUTE 105 & LRT

07-LA-105-R3.05-HAW, Los Angeles, CA

Built 1993 ADT: 19,380

IMPERIAL HWY-N405

Over: W105-N405 CONNECTOR RAMP

07-LA-405-R21.32-LA, Los Angeles, CA

Built 1989 ADT: 20,000

ROUTE 105 & LRT

Over: INGLEWOOD AVE

07-LA-105-R2.53-HAW, Los Angeles, CA

Built 1993 ADT: 16,320

W105-N&S 405 CONN

Over: INGLEWOOD AVE

07-LA-105-R2.53-HAW, Los Angeles, CA

Built 1993 ADT: 16,320

S405-W105 CONNECTR

Over: IMPERIAL,LA CIENEGA,RAMP

07-LA-405-R21.42-LA, Los Angeles, CA

Built 1994 ADT: 2,500

N405-CENTURY BL OF

Over: E105-N405 & W105-N405 RP

07-LA-405-R21.28-LA, Los Angeles, CA

Built 1989 ADT: 4,000

N405-W105 CONN OC

Over: I 405,I 105, CONN

07-LA-405-R21.01-LA, Los Angeles, CA

Built 1991 ADT: 176,000

N&S405-W105 CONN

Over: IMPERIAL ON & OFF-RAMPS

07-LA-405-R21.18-LA, Los Angeles, CA

Built 1989 ADT: 15,000

S405-E105 CONNECTR

Over: I 405 & I 105, CONNS

07-LA-405-R21.51-HAW, Los Angeles, CA

Built 1991 ADT: 2,000

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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