Orange County, CA

1,224 public highway bridges

Orange County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Orange County, California contains 1,224 public highway bridges. Roughly 35.3% are rated “Good,” 21.2% “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.

1,224
Total Bridges
35.3%
Good
21.2%
Fair
2.2%
Poor Condition

Condition Distribution

Good
35.3% (432)
Fair
21.2% (260)
Poor
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
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.