Orange County, CA

1,224 public highway bridges

Orange County Bridge Snapshot

Orange County, California contains 1,224 public highway bridges in the FHWA National Bridge Inventory. Roughly 35.3% are rated “Good,” 21.2% “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.

1,224
Total Bridges
35.3%
Good
2.2%
Poor
2.2%
Structurally Deficient

Condition Distribution

Good
35.3% (432)
Fair
21.2% (260)
Poor
2.2% (27)
SD
2.2% (27)

All Bridges (1,224)

INTERSTATE 5

Unknown

Over: ANAHEIM BLVD

12-ORA-005-36.58-ANA, Orange, CA

Built 2000 ADT: 38,000

N5-N405 & S405-S5

Unknown

Over: INTERSTATE 5 SB

12-ORA-005-20.74-IRVN, Orange, CA

Built 1996 ADT: 282,000

MAGNOLIA AVE

Unknown

Over: INTERSTATE 5, RAMPS

12-ORA-005-41.50-ANA, Orange, CA

Built 2000 ADT: 10,342

N5-W91 CONNECTOR

Unknown

Over: UP RR,I 5,SR 91,MAGNOLIA

12-ORA-005-41.84R-ANA, Orange, CA

Built 2002 ADT: 274,000

S5-E91 CONNECTOR

Unknown

Over: UP RR,I 5,SR 91,MAGNOLIA

12-ORA-005-42.01L-ANA, Orange, CA

Built 2002 ADT: 44,000

W91-N5 CONNECTOR

Unknown

Over: MAGNOLIA AVE

12-ORA-091-R3.84L-ANA, Orange, CA

Built 2000 ADT: 40,000

W91-N5 HOV CONN

Unknown

Over: INTERSTATE 5 NB

12-ORA-091-R3.64L-ANA, Orange, CA

Built 2000 ADT: 168,000

STATE ROUTE 91 EB

Unknown

Over: INTERSTATE 5

12-ORA-091-R3.75R-ANA, Orange, CA

Built 2000 ADT: 168,000

91-5 HOV CONN

Unknown

Over: INTERSTATE 5

12-ORA-091-R3.56L-ANA, Orange, CA

Built 2000 ADT: 168,000

ORANGETHORPE AVE

Unknown

Over: INTERSTATE 5, UP RR

12-ORA-005-42.54-BPK, Orange, CA

Built 2003 ADT: 241,000

WEST ST-N5 ON RAMP

Unknown

Over: INTERSTATE 5

12-ORA-005-38.15-ANA, Orange, CA

Built 2000 ADT: 276,300

EUCLID-S5 ON-RAMP

Unknown

Over: INTERSTATE 5

12-ORA-005-39.31-ANA, Orange, CA

Built 2000 ADT: 265,400

EUCLID STREET

Unknown

Over: INTERSTATE 5 & UP RR

12-ORA-005-39.51-ANA, Orange, CA

Built 2000 ADT: 265,400

S5-EUCLID STREET

Unknown

Over: INTERSTATE 5

12-ORA-005-39.56-ANA, Orange, CA

Built 2000 ADT: 265,400

BROADWAY

Unknown

Over: INTERSTATE 5

12-ORA-005-38.66-ANA, Orange, CA

Built 2000 ADT: 265,400

LINCOLN AVE

Unknown

Over: INTERSTATE 5

12-ORA-005-39.00-ANA, Orange, CA

Built 2000 ADT: 265,400

SPRR

Unknown

Over: INTERSTATE 5

12-ORA-005-38.50-ANA, Orange, CA

Built 2000 ADT: 285,000

S5-BALL RD OFF-RP

Unknown

Over: INTERSTATE 5 SB

12-ORA-005-38.06-ANA, Orange, CA

Built 2000 ADT: 138,150

E91-N57&S57-W91HOV

Unknown

Over: SR 57, 91 & LOCAL STRTS

12-ORA-091-5.60-FUL, Orange, CA

Built 2000 ADT: 10,000

STATE ROUTE 91

Unknown

Over: STATE COLLEGE BLVD

12-ORA-091-5.26-ANA, Orange, CA

Built 1999 ADT: 30,000

PLACENTIA AVE

Unknown

Over: STATE ROUTE 91

12-ORA-091-5.53-ANA, Orange, CA

Built 1999 ADT: 259,000

SUNKIST ST

Unknown

Over: STATE ROUTE 91

12-ORA-091-5.89-ANA, Orange, CA

Built 1999 ADT: 291,000

MIRALOMA AVE

Unknown

Over: STATE ROUTE 57

12-ORA-057-15.90-ANA, Orange, CA

Built 1998 ADT: 38,510

LA JOLLA ST

Unknown

Over: STATE ROUTE 57

12-ORA-057-16.13-ANA, Orange, CA

Built 1998 ADT: 273,000

HARBOR BLVD

Unknown

Over: STATE ROUTE 91

12-ORA-091-3.26-ANA, Orange, CA

Built 2000 ADT: 330,000

LEMON STREET

Unknown

Over: STATE ROUTE 91

12-ORA-091-3.51-ANA, Orange, CA

Built 1999 ADT: 330,000

HARBOR BLVD

Unknown

Over: INTERSTATE 5

12-ORA-005-37.40-ANA, Orange, CA

Built 2000 ADT: 264,800

SANTA ANA STREET

Unknown

Over: INTERSTATE 5

12-ORA-005-38.48-ANA, Orange, CA

Built 2000 ADT: 276,300

17TH STREET

Unknown

Over: STATE ROUTE 55

12-ORA-055-11.80-TUS, Orange, CA

Built 1997 ADT: 227,000

SANTA CLARA AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-12.30-TUS, Orange, CA

Built 1997 ADT: 227,000

FAIRHAVEN AVENUE

Unknown

Over: STATE ROUTE 55

12-ORA-055-12.71-TUS, Orange, CA

Built 1997 ADT: 271,000

WALNUT AVENUE

Unknown

Over: STATE ROUTE 261

12-ORA-261-0.01-IRVN, Orange, CA

Built 1998 ADT: 64,000

JAMBOREE-S261 ONRP

Unknown

Over: S261-WALNUT AVE OFF-RAMP

12-ORA-261-0.25-IRVN, Orange, CA

Built 1997 ADT: 1,800

JAMBOREE ROAD (NB)

Unknown

Over: STATE ROUTE 261

12-ORA-261-0.25-IRVN, Orange, CA

Built 1997 ADT: 31,000

LA PALMA AVE

Unknown

Over: INTERSTATE 5,RAMPS,UP RR

12-ORA-005-40.93-ANA, Orange, CA

Built 2002 ADT: 259,800

N5-BRKHURST OFF-RA

Unknown

Over: INTERSTATE 5, RAMP

12-ORA-005-40.55-ANA, Orange, CA

Built 2002 ADT: 259,800

BROOKHURST STREET

Unknown

Over: INTERSTATE 5, RAMP

12-ORA-005-40.72-ANA, Orange, CA

Built 2002 ADT: 259,800

LINCOLN -N55 ON RA

Unknown

Over: LINCOLN AVE

12-ORA-055-17.00-ORA, Orange, CA

Built 2002 ADT: 18,000

MEATS AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-16.10-ORA, Orange, CA

Built 2002 ADT: 211,600

COLLINS AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-14.73-ORA, Orange, CA

Built 2002 ADT: 242,000

KATELLA-N55 ON RA

Unknown

Over: KATELLA AVE

12-ORA-055-15.20-ORA, Orange, CA

Built 2002 ADT: 22,000

STATE ROUTE 55

Unknown

Over: CHAPMAN AVENUE

12-ORA-055-13.60-TUS, Orange, CA

Built 2001 ADT: 22,000

WALNUT AVE

Unknown

Over: STATE ROUTE 55

12-ORA-055-14.16-ORA, Orange, CA

Built 2002 ADT: 247,000

LA VETA AVENUE

Unknown

Over: STATE ROUTE 55

12-ORA-055-13.20-ORA, Orange, CA

Built 2001 ADT: 256,000

E22-N55 CONNECTOR

Unknown

Over: STATE ROUTE 55

12-ORA-022-R13.16-ORA, Orange, CA

Built 2001 ADT: 256,000

INTERSTATE 5

Unknown

Over: NEWPORT AVE

12-ORA-005-29.62-TUS, Orange, CA

Built 1995 ADT: 15,000

W91-S241 CONNECTOR

Unknown

Over: N241-W91 CONNECTOR

12-ORA-091-R15.90-ANA, Orange, CA

Built 1998 ADT: 5,200

S55-N405 CONN.

Unknown

Over: N405-BRISTOL OFF-RAMP

12-ORA-055-R6.15-CMS, Orange, CA

Built 2005 ADT: 24,550

55-405 HOV CONNECT

Unknown

Over: I 405 NB, SR55 SB, RAMPS

12-ORA-405-8.80, Orange, CA

Built 2007 ADT: 3,000

55-405 HOV CONNECT

Unknown

Over: STATE ROUTE 55 SB, MAIN

12-ORA-405-8.60, Orange, CA

Built 2007 ADT: 222,000

Related

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