Total Bridges
27,040
Public highway bridges in California
State profile · Below national median SD
California bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in California — drawn straight from the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
- 4.6%
- Structurally deficient
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges rated 0-4
Structurally Deficient
4.6%
1,244 bridges flagged for repair priority
-2.4pp vs national avg 7.0%
California vs national bridge condition
California — Good condition share 32.5%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
California — Structurally deficient share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — California (FHWA NBI)
Counties (58)
Alameda 800 Alpine 32 Amador 62 Butte 441 Calaveras 106 Colusa 211 Contra Costa 686 Del Norte 96 El Dorado 196 Fresno 929 Glenn 242 Humboldt 398 Imperial 448 Inyo 67 Kern 686 Kings 168 Lake 129 Lassen 108 Los Angeles 3937 Madera 250 Marin 217 Mariposa 109 Mendocino 357 Merced 532 Modoc 87 Mono 49 Monterey 390 Napa 160 Nevada 135 Orange 1224 Placer 347 Plumas 170 Riverside 1142 Sacramento 775 San Benito 76 San Bernardino 1465 San Diego 1707 San Francisco 170 San Joaquin 666 San Luis Obispo 408 San Mateo 393 Santa Barbara 429 Santa Clara 1041 Santa Cruz 203 Shasta 500 Sierra 65 Siskiyou 423 Solano 383 Sonoma 613 Stanislaus 390 Sutter 120 Tehama 452 Trinity 194 Tulare 599 Tuolumne 128 Ventura 511 Yolo 282 Yuba 136
California vs nearby ranks
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below California on the same metric.
39
Ohio
4.54% top marginal rate
34
New Jersey
4.59% top marginal rate
06
California
4.60% top marginal rate
05
Arkansas
4.71% top marginal rate
53
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by composite NBI rating. Each is inspected at least every 24 months.
SPRING CREEK RD
PoorOver: FALL RIVER
0.5 MI N OF MCARTHUR RD, Shasta, CA
Built 1950 Load: 2.7 t ADT: 50
ORESTIMBA ROAD
PoorOver: CCID MAIN CANAL
0.1 MI E DRAPER RD, Stanislaus, CA
Built 1919 Load: 2.9 t ADT: 684
CLARK STREET
PoorOver: M.I.D. CANAL
0.1 MI WEST OF ROAD 26.0, Madera, CA
Built 1955 Load: 3.2 t ADT: 200
GULLING STREET
Structurally DeficientOver: MIDDLE FORK FEATHER RIV
0.2 MI S SH 70, Plumas, CA
Built 1954 Load: 3.2 t ADT: 10,046
AVENUE 10
PoorOver: COTTONWOOD CREEK
JUST E/O ROAD 23, Madera, CA
Built 1950 Load: 3.6 t ADT: 50
S BISHOP AVE
PoorOver: CRESCENT DITCH
0.64 MI S/O MT WHITNEY AV, Fresno, CA
Built 1950 Load: 3.9 t ADT: 125
All Bridges in California
INTERSTATE 210 OFF
UnknownOver: HOWARD STREET
07-LA-210-R23.22-PAS, Los Angeles, CA
Built 1973 ADT: 7,500
INTERSTATE 210
UnknownOver: WASHINGTON BLVD
07-LA-210-R23.55-PAS, Los Angeles, CA
Built 1973 ADT: 10,500
INTERSTATE 210
UnknownOver: HAMMOND STREET
07-LA-210-R23.80-PAS, Los Angeles, CA
Built 1973 ADT: 1,800
INTERSTATE 210
UnknownOver: MOUNTAIN AVENUE
07-LA-210-R24.06-PAS, Los Angeles, CA
Built 1973 ADT: 9,500
INTERSTATE 210
UnknownOver: LINCOLN AVE
07-LA-210-R24.17-PAS, Los Angeles, CA
Built 1973 ADT: 7,560
INTERSTATE 210 ONR
UnknownOver: LINCOLN AVE
07-LA-210-R24.17-PAS, Los Angeles, CA
Built 1973 ADT: 7,560
PATHFINDER ROAD
UnknownOver: STATE ROUTE 57
07-LA-057-R3.17-DMBR, Los Angeles, CA
Built 1972 ADT: 180,100
OAKWOOD AVE
UnknownOver: ROUTE 210
07-LA-210-R20.30-LCF, Los Angeles, CA
Built 1972 ADT: 113,000
STATE ROUTE 91
UnknownOver: ARTESIA BL, BUTLER AV
07-LA-091-R11.43-LBCH, Los Angeles, CA
Built 1974 ADT: 13,000
CEDAR VALLEY WAY
UnknownOver: ROUTE 14
07-LA-014-R30.55, Los Angeles, CA
Built 1972 ADT: 143,000
INTERSTATE 210
UnknownOver: ARROYO SECO
07-LA-210-R22.14-PAS, Los Angeles, CA
Built 1974 ADT: 113,000
AVENUE "K-8"
UnknownOver: ROUTE 14
07-LA-014-R66.18-LAN, Los Angeles, CA
Built 1970 ADT: 76,000
GOULD AVE
UnknownOver: I 210
07-LA-210-R20.60-LCF, Los Angeles, CA
Built 1972 ADT: 113,000
STATE ROUTE 14
UnknownOver: TECHNOLOGY DRIVE
07-LA-014-R60.70-PMDL, Los Angeles, CA
Built 1972 ADT: 3,500
STATE ROUTE 14
UnknownOver: TECHNOLOGY DRIVE
07-LA-014-R60.70-PMDL, Los Angeles, CA
Built 1972 ADT: 3,500
AVENUE "O"
UnknownOver: ROUTE 14
07-LA-014-R62.66, Los Angeles, CA
Built 1970 ADT: 89,000
VIA PRINCESSA-SB14
UnknownOver: SIERRA HWY
07-LA-014-R30.66, Los Angeles, CA
Built 1972 ADT: 13,000
STATE ROUTE 118
UnknownOver: DESOTO AVE, BROWNS CYN W
07-LA-118-R2.55-LA, Los Angeles, CA
Built 1971 ADT: 34,243
INTERSTATE 210
UnknownOver: LA TUNA CANYON RD UC
07-LA-210-R14.15-LA, Los Angeles, CA
Built 1975 ADT: 4,900
ALTA CANYADA RD
UnknownOver: ROUTE 210
07-LA-210-R19.23-LCF, Los Angeles, CA
Built 1972 ADT: 116,000
WINERY CYN FLUME O
UnknownOver: ROUTE 210
07-LA-210-R19.31-LCF, Los Angeles, CA
Built 1972 ADT: 116,000
ROUTE 210
UnknownOver: E2-W210 CONNECTOR RAMP
07-LA-210-R18.76-LCF, Los Angeles, CA
Built 1972 ADT: 27,400
ORANGE GROVE BLVD
UnknownOver: I 210 & CONNECTORS
07-LA-210-R24.64-PAS, Los Angeles, CA
Built 1973 ADT: 8,350
ORANGE GROVE-W134
UnknownOver: ST RTE 134 & STREETS
07-LA-134-R12.90-PAS, Los Angeles, CA
Built 1971 ADT: 4,500
LINDA VISTA AVE
UnknownOver: ROUTE 210
07-LA-210-R22.02-LCF, Los Angeles, CA
Built 1974 ADT: 113,000
INTERSTATE 210
UnknownOver: W210-W2 CONNECTOR RAMP
07-LA-210-R18.91-LCF, Los Angeles, CA
Built 1972 ADT: 94,400
SIERRA HWY OFF-RAM
UnknownOver: ROUTE 14 & VIA PRINCESSA
07-LA-014-R30.81, Los Angeles, CA
Built 1972 ADT: 71,000
ROUTE 14
UnknownOver: VIA PRINCESSA
07-LA-014-R30.91, Los Angeles, CA
Built 1972 ADT: 4,000
INTERSTATE 210
UnknownOver: HAMPTON RD & FOOTHILL BL
07-LA-210-R20.85-LCF, Los Angeles, CA
Built 1972 ADT: 35,000
INTERSTATE 405
UnknownOver: SR 118
07-LA-405-46.83-LA, Los Angeles, CA
Built 1977 ADT: 205,000
W118-S405 CONNECTR
UnknownOver: I 405,SR 118,CHATSWORTH
07-LA-118-R9.83-LA, Los Angeles, CA
Built 1977 ADT: 254,000
SR 118
UnknownOver: SEPULVEDA BLVD
07-LA-118-R10.07-LA, Los Angeles, CA
Built 1976 ADT: 33,000
W118-S405 CONNECTR
UnknownOver: SEPULVEDA BLVD
07-LA-118-R10.08-LA, Los Angeles, CA
Built 1976 ADT: 37,000
N405-E&W118 CONN
UnknownOver: I 405, SR 118, CHATSWRTH
07-LA-405-46.80-LA, Los Angeles, CA
Built 1977 ADT: 210,000
E&W118-S405 CONNEC
UnknownOver: S405-DEVONSHIRE ST OFFRP
07-LA-118-R9.74-LA, Los Angeles, CA
Built 1977 ADT: 4,800
COMMONWEALTH AVE
UnknownOver: ROUTE 210
07-LA-210-R20.16-LCF, Los Angeles, CA
Built 1972 ADT: 113,000
E210-S2 CONNECTOR
UnknownOver: WALTONIA DR
07-LA-210-R18.53-LCF, Los Angeles, CA
Built 1972 ADT: 7,000
W210 OFFRAMP
UnknownOver: WALTONIA DR
07-LA-210-R18.53-LCF, Los Angeles, CA
Built 1972 ADT: 9,000
E2-W210 CONNECTOR
UnknownOver: VERDUGO BL & W210-W2 RP
07-LA-002-R23.00-GNDL, Los Angeles, CA
Built 1972 ADT: 16,000
AVENUE "N"
UnknownOver: ROUTE 14
07-LA-014-R63.67, Los Angeles, CA
Built 1970 ADT: 92,000
AVENUE "M"
UnknownOver: ROUTE 14
07-LA-014-R64.68-LAN, Los Angeles, CA
Built 1970 ADT: 92,500
AVENUE "L"
UnknownOver: ROUTE 14
07-LA-014-R65.68-LAN, Los Angeles, CA
Built 1970 ADT: 91,000
COLORADO BLVD WB
UnknownOver: E134-COLORADO BL OFF-RMP
07-LA-134-R12.90-PAS, Los Angeles, CA
Built 1971 ADT: 6,401
ROUTE 2 ANGELS CRE
UnknownOver: ROUTE 210
07-LA-002-24.43, Los Angeles, CA
Built 1972 ADT: 117,000
ROUTE 2 WB
UnknownOver: ROUTE 210, VERDUGO, CONN
07-LA-002-R22.94-GNDL, Los Angeles, CA
Built 1972 ADT: 22,700
ROUTE 2 EB
UnknownOver: RTE 210, VERDUGO BL, CON
07-LA-002-R22.97-GNDL, Los Angeles, CA
Built 1972 ADT: 20,300
PEDESTRIAN WALKWAY
UnknownOver: INTERSTATE 210
07-LA-210-R21.12-LCF, Los Angeles, CA
Built 1974 ADT: 113,000
STATE ROUTE 91
UnknownOver: ALAMEDA, SANTA FE, UP RR
07-LA-091-R10.19-COM, Los Angeles, CA
Built 1974 ADT: 16,500
ALAMEDA ST-E91 ON
UnknownOver: ALAMEDA ST, COMPTON CRK
07-LA-091-R10.26-COM, Los Angeles, CA
Built 1974 ADT: 16,900
W91-ARTESIA+SAN FE
UnknownOver: ARTESIA BL, SANTA FE AV
07-LA-091-R10.39-COM, Los Angeles, CA
Built 1974 ADT: 8,000
Showing 2,401-2,450 of 27,040 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |