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.
Condition Distribution
All Bridges (1,224)
STATE ROUTE 55
UnknownOver: PAULARINO AVE
12-ORA-055-R5.52-CMS, Orange, CA
LA PALMA AVE
UnknownOver: STATE ROUTE 91
12-ORA-091-6.42-ANA, Orange, CA
SR 55
UnknownOver: BAKER STREET
12-ORA-055-R5.34-CMS, Orange, CA
S405-N55 CONNECTOR
UnknownOver: I 405 & N405-S55 CONN
12-ORA-405-8.65-IRVN, Orange, CA
N405-S55 CONN RAMP
UnknownOver: I 405 & S405-N55 CONN
12-ORA-405-8.85-CMS, Orange, CA
SR 55
UnknownOver: S405-N55 CONNECTOR
12-ORA-055-R5.89-CMS, Orange, CA
ROUTE 55
UnknownOver: N405-S55 CONNECTOR
12-ORA-055-R6.06-CMS, Orange, CA
E22-N605&405 CONN
UnknownOver: S605-S405 CONNECTOR
12-ORA-022-R0.38-SLB, Orange, CA
RIVERDALE AVE
UnknownOver: STATE ROUTE 91
12-ORA-091-8.80-ANA, Orange, CA
E22-N605 & N405
UnknownOver: STATE ROUTE 22
12-ORA-022-R0.37-SLB, Orange, CA
BRISTOL ST
UnknownOver: INTERSTATE 405
12-ORA-405-9.51-CMS, Orange, CA
BEAR ST
UnknownOver: INTERSTATE 405
12-ORA-405-9.89-CMS, Orange, CA
N73-N405 CONNECTOR
UnknownOver: INTERSTATE 405
12-ORA-073-R27.76R-CMS, Orange, CA
S405-S73 CONNECTOR
UnknownOver: FAIRVIEW RD-S405 ON-RAMP
12-ORA-405-10.35-CMS, Orange, CA
N405-S55 CONNECTOR
UnknownOver: S55-PAULARINO AVE OFF-RP
12-ORA-405-8.88-CMS, Orange, CA
PAULARINO-N55 ONRP
UnknownOver: N55-S405 CONNECTOR RAMP
12-ORA-055-R5.80-CMS, Orange, CA
S55-S405 CONNECTOR
UnknownOver: I 405, SR 55 & CONNS
12-ORA-055-R6.16-CMS, Orange, CA
MACARTHUR BLVD
UnknownOver: INTERSTATE 405
12-ORA-405-7.80-IRVN, Orange, CA
MACARTHUR BLVD
UnknownOver: INTERSTATE 405
12-ORA-405-7.80-IRVN, Orange, CA
IRVINE CENTER DR
UnknownOver: INTERSTATE 405
12-ORA-405-0.95-IRVN, Orange, CA
SAND CANYON AVE
UnknownOver: INTERSTATE 405
12-ORA-405-2.88-IRVN, Orange, CA
CROWN VALLEY PKWY
UnknownOver: INTERSTATE 5
12-ORA-005-13.78-MSNV, Orange, CA
STATE ROUTE 57
UnknownOver: STATE ROUTE 91
12-ORA-057-15.58-ANA, Orange, CA
S57-E91 CONNECTOR
UnknownOver: STATE ROUTE 91
12-ORA-057-15.59-ANA, Orange, CA
N57-W91 CONN RAMP
UnknownOver: STATE ROUTE 91
12-ORA-057-15.57-ANA, Orange, CA
E91-N57 CONNECTOR
UnknownOver: SR 91 & SR 57
12-ORA-091-5.96-ANA, Orange, CA
W91-S57 CONNECTOR
UnknownOver: ROUTES 91, 57, & CONN'S
12-ORA-091-6.16-ANA, Orange, CA
N133-N405 CONNECTR
UnknownOver: INTERSTATE 405 & RAMP
12-ORA-133-8.34-IRVN, Orange, CA
N133-N405 CONNECTR
UnknownOver: STATE ROUTE 133
12-ORA-133-8.47-IRVN, Orange, CA
N5-N405 CONNECTOR
UnknownOver: INTERSTATE 5
12-ORA-005-21.31-IRVN, Orange, CA
STATE ROUTE 57
UnknownOver: CHAPMAN AVE
12-ORA-057-17.30-FUL, Orange, CA
STATE ROUTE 57
UnknownOver: CROWTHER AVE
12-ORA-057-16.74-PLCN, Orange, CA
STATE ROUTE 57
UnknownOver: ORANGETHORPE AVE
12-ORA-057-16.39-PLCN, Orange, CA
STATE ROUTE 57
UnknownOver: PLACENTIA AVE
12-ORA-057-17.02-PLCN, Orange, CA
AVENIDA MENDOCINO
UnknownOver: INTERSTATE 5
12-ORA-005-1.13-SCLE, Orange, CA
STATE ROUTE 57
UnknownOver: NUTWOOD AVE
12-ORA-057-17.57-FUL, Orange, CA
STATE ROUTE 57
UnknownOver: BASTANCHURY ROAD
12-ORA-057-18.85-FUL, Orange, CA
STATE ROUTE 57
UnknownOver: ASSOCIATED ROAD
12-ORA-057-19.58-FUL, Orange, CA
YORBA LINDA BLVD
UnknownOver: STATE ROUTE 57
12-ORA-057-18.34-FUL, Orange, CA
SR 90 (IMPERIAL)
UnknownOver: STATE ROUTE 57
12-ORA-090-R5.43-BRE, Orange, CA
STATE ROUTE 57
UnknownOver: LA PALMA AVE
12-ORA-057-15.41-ANA, Orange, CA
N57-E91 CONNECTOR
UnknownOver: LA PALMA AVE
12-ORA-057-15.41-ANA, Orange, CA
E91-MAGNOLIA AV OF
UnknownOver: UP RR, S5-MAGNOLIA AV OF
12-ORA-091-R3.64R-FUL, Orange, CA
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 91
12-ORA-091-R0.02-LPMA, Orange, CA
STATE ROUTE 91
UnknownOver: STATE ROUTE 90
12-ORA-091-R11.53-ANA, Orange, CA
LAKEVIEW AVE
UnknownOver: STATE ROUTE 91
12-ORA-091-R10.09-ANA, Orange, CA
STATE ROUTE 57
UnknownOver: ORANGEWOOD AVE
12-ORA-057-11.80-ANA, Orange, CA
STATE ROUTE 57
UnknownOver: ROLLING HILLS DR
12-ORA-057-19.33-FUL, Orange, CA
STATE ROUTE 57
UnknownOver: BIRCH STREET
12-ORA-057-20.38-BRE, Orange, CA
STATE ROUTE 57
UnknownOver: LAMBERT ROAD
12-ORA-057-20.88-BRE, Orange, CA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |