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)

W/B LA PAZ ROAD

Good

Over: OSO CREEK

0.2 MI E/O MARGUERITE PKW, Orange, CA

Built 1979 Load: 29.5 t ADT: 14,140

SANTIAGO CANYON RD

Good

Over: SANTIAGO CREEK

0.3 MI S/O MODJESKA RD, Orange, CA

Built 1967 Load: 29.8 t ADT: 8,000

NO DATA ENTERED

Good

Over: TRABUCO CREEK

NO DATA ENTERED, Orange, CA

Built 2007 Load: 29.8 t ADT: 125

SR 39 (BEACH BLVD)

Good

Over: PARKING LOT ACCESS

12-ORA-039-13.51-BPK, Orange, CA

Built 1960 Load: 30.1 t ADT: 59,000

STINSON STREET

Good

Over: CARBON CREEK CHANNEL

0.1 MI. S/O LINCOLN AVE., Orange, CA

Built 1959 Load: 30.1 t ADT: 120

ROUTE 1

Good

Over: OLD NEWPORT BLVD DRAIN

12-ORA-001-19.72-NPTB, Orange, CA

Built 2000 Load: 30.8 t ADT: 46,000

INTERSTATE 5

Good

Over: ALISO CREEK

12-ORA-005-17.75-LGNH, Orange, CA

Built 1959 Load: 32.4 t ADT: 354,700

INTERSTATE 5

Good

Over: BEE CANYON

12-ORA-005-22.83-IRVN, Orange, CA

Built 1958 Load: 32.4 t ADT: 315,000

INTERSTATE 5

Good

Over: SAN DIEGO CREEK

12-ORA-005-20.49-IRVN, Orange, CA

Built 1958 Load: 32.4 t ADT: 335,000

SR 90 (IMPERIAL)

Good

Over: SANTA ANA RIVER

12-ORA-090-12.59-ANA, Orange, CA

Built 1970 Load: 32.4 t ADT: 45,000

STATE ROUTE 22 EB

Good

Over: ANAHEIM-BARBER CITY CHAN

12-ORA-022-R2.37-WTM, Orange, CA

Built 1958 Load: 32.4 t ADT: 105,000

INTERSTATE 5 NB

Good

Over: FULLERTON CREEK

12-ORA-005-42.96-BPK, Orange, CA

Built 1957 Load: 32.4 t ADT: 95,850

STATE ROUTE 1

Good

Over: VICTORIA DRIVE

12-ORA-001-7.40-LGNB, Orange, CA

Built 1935 Load: 32.4 t ADT: 36,000

INTERSTATE 5

Good

Over: MYFORD CREEK

12-ORA-005-27.42-IRVN, Orange, CA

Built 1958 Load: 32.4 t ADT: 279,000

SR 55

Good

Over: SANTA ANA DELHI CHANNEL

12-ORA-055-R4.77-CMS, Orange, CA

Built 1973 Load: 32.4 t ADT: 142,000

STATE ROUTE 91

Good

Over: CARBON DITCH

12-ORA-091-4.28-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 265,000

INTERSTATE 5

Good

Over: OSO CREEK

12-ORA-005-14.79-MSNV, Orange, CA

Built 1959 Load: 32.4 t ADT: 300,000

INTERSTATE 405

Good

Over: SERVICE ROAD

12-ORA-405-12.40-CMS, Orange, CA

Built 1966 Load: 32.4 t ADT: 300,000

INTERSTATE 405

Good

Over: NAVY RR SPUR

12-ORA-405-18.36-WTM, Orange, CA

Built 1965 Load: 32.4 t ADT: 256,000

STATE ROUTE 1

Good

Over: IRVINE COVE DR

12-ORA-001-11.35-LGNB, Orange, CA

Built 1956 Load: 32.4 t ADT: 31,000

INTERSTATE 5

Good

Over: SERRANO CREEK

12-ORA-005-20.97-IRVN, Orange, CA

Built 1958 Load: 32.4 t ADT: 297,000

INTERSTATE 5

Good

Over: TRABUCO CREEK

12-ORA-005-11.45-SJCP, Orange, CA

Built 1959 Load: 32.4 t ADT: 316,000

STATE ROUTE 22

Good

Over: LOS ALAMITOS CHANNEL

12-ORA-022-0.15-SLB, Orange, CA

Built 1958 Load: 32.4 t ADT: 90,000

W91 ON RAMP

Good

Over: HOUSTON AVE DRAIN

12-ORA-091-2.15-ANA, Orange, CA

Built 1958 Load: 32.4 t ADT: 8,650

STATE ROUTE 55

Good

Over: NORTH ORANGE UC

12-ORA-055-15.50-ORA, Orange, CA

Built 1961 Load: 32.4 t ADT: 227,000

INTERSTATE 5

Good

Over: EL HORNO CREEK

12-ORA-005-9.51-SJCP, Orange, CA

Built 1958 Load: 32.4 t ADT: 237,000

STATE ROUTE 22

Good

Over: SANTA ANA RIVER

12-ORA-022-R9.85-ORA, Orange, CA

Built 1963 Load: 32.4 t ADT: 252,000

N&S605-N405 CONN

Good

Over: SERVICE RD

12-ORA-605-R0.18-LALM, Orange, CA

Built 1966 Load: 32.4 t ADT: 17,900

STATE ROUTE 22

Good

Over: BNSF RY,AMTRAK,METROLINK

12-ORA-022-R11.56-ORA, Orange, CA

Built 1967 Load: 32.4 t ADT: 150,000

W22 ON RAMP

Good

Over: SANTIAGO CREEK

12-ORA-022-R11.70-ORA, Orange, CA

Built 1967 Load: 32.4 t ADT: 10,000

E22 OFF RAMP

Good

Over: SANTIAGO CREEK

12-ORA-022-R11.70-ORA, Orange, CA

Built 1967 Load: 32.4 t ADT: 10,000

SR 39 (BEACH BLVD)

Good

Over: CARBON CREEK CHANNEL

12-ORA-039-12.37-ANA, Orange, CA

Built 1961 Load: 32.4 t ADT: 57,000

STATE ROUTE 91

Good

Over: CARBON CYN DIVERSION CHA

12-ORA-091-7.27-ANA, Orange, CA

Built 1961 Load: 32.4 t ADT: 225,000

EB 91 OFF RAMP

Good

Over: CARBON CYN DIVERSION CHA

12-ORA-091-7.27-ANA, Orange, CA

Built 1964 Load: 32.4 t ADT: 31,460

INTERSTATE 605

Good

Over: COYOTE CREEK

12-ORA-605-R1.60-LALM, Orange, CA

Built 1966 Load: 32.4 t ADT: 187,000

INTERSTATE 405

Good

Over: SAN DIEGO CREEK CHANNEL

12-ORA-405-1.50-IRVN, Orange, CA

Built 1968 Load: 32.4 t ADT: 205,000

INTERSTATE 405

Good

Over: WESTMINSTER CHANNEL

12-ORA-405-17.80-WTM, Orange, CA

Built 1965 Load: 32.4 t ADT: 256,000

N&S605-N405 CONN

Good

Over: LOS ALAMITOS CHANNEL

12-ORA-605-R0.19-LALM, Orange, CA

Built 1966 Load: 32.4 t ADT: 17,900

INTERSTATE 405

Good

Over: GREENVILLE BANNING CHANN

12-ORA-405-11.70-CMS, Orange, CA

Built 1966 Load: 32.4 t ADT: 300,000

INTERSTATE 405

Good

Over: EAST VALLEY CHANNEL

12-ORA-405-12.90-FNV, Orange, CA

Built 1966 Load: 32.4 t ADT: 300,000

INTERSTATE 405

Good

Over: OCEAN VIEW CHANNEL

12-ORA-405-15.00-FNV, Orange, CA

Built 1966 Load: 32.4 t ADT: 263,000

INTERSTATE 405

Good

Over: HEIL AVE DRAIN

12-ORA-405-15.49-HNTB, Orange, CA

Built 1966 Load: 32.4 t ADT: 263,000

INTERSTATE 405

Good

Over: E GARDEN GROVE CHANNEL

12-ORA-405-15.87-WTM, Orange, CA

Built 1966 Load: 32.4 t ADT: 263,000

INTERSTATE 405

Good

Over: SANTA ANA DELHI CHANNEL

12-ORA-405-9.38-CMS, Orange, CA

Built 1968 Load: 32.4 t ADT: 233,000

STATE ROUTE 91

Good

Over: PATT DRAIN #1

12-ORA-091-3.79-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 169,000

STATE ROUTE 91

Good

Over: PATT DRAIN #2

12-ORA-091-3.80-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 169,000

STATE ROUTE 91

Good

Over: PATT DRAIN #3

12-ORA-091-3.81-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 169,000

STATE ROUTE 91

Good

Over: PATT DRAIN #4

12-ORA-091-3.82-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 319,000

STATE ROUTE 91

Good

Over: PATT DRAIN #5

12-ORA-091-3.90-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 319,000

STATE ROUTE 91

Good

Over: PATT DRAIN #6

12-ORA-091-4.00-ANA, Orange, CA

Built 1959 Load: 32.4 t ADT: 319,000

Related

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