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
N101-W217 CONNECTR
UnknownOver: UP RR, AMTRAK, U.S. 101
05-SB-101-21.41-SB, Santa Barbara, CA
Built 1963 ADT: 121,000
STATE ST (WB)
UnknownOver: US HIGHWAY 101
05-SB-101-18.12-SB, Santa Barbara, CA
Built 1957 ADT: 125,000
SEVENTH ST
UnknownOver: US HIGHWAY 101
05-SB-101-3.65-CARP, Santa Barbara, CA
Built 1954 ADT: 69,000
PEDESTRIAN WALKWAY
UnknownOver: U.S. HIGHWAY 101, UP RR
05-SB-101-16.23-SB, Santa Barbara, CA
Built 1957 ADT: 134,000
STATE ST (EB)
UnknownOver: US HIGHWAY 101
05-SB-101-18.11-SB, Santa Barbara, CA
Built 1957 ADT: 125,000
SAN YSIDRO ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-10.02, Santa Barbara, CA
Built 1956 ADT: 76,000
OLIVE MILL-S101 ON
UnknownOver: US HIGHWAY 101
05-SB-101-10.49, Santa Barbara, CA
Built 1956 ADT: 76,000
STATE ROUTE 225
UnknownOver: US HIGHWAY 101
05-SB-225-0.01-SB, Santa Barbara, CA
Built 1957 ADT: 134,000
STOWELL RD
UnknownOver: US HIGHWAY 101
05-SB-101-87.60, Santa Barbara, CA
Built 2001 ADT: 38,000
U.S. HIGHWAY 101
UnknownOver: STATE ROUTE 166
05-SB-101-88.60-SMRA, Santa Barbara, CA
Built 1962 ADT: 17,800
DONOVAN RD
UnknownOver: US HIGHWAY 101
05-SB-101-89.69-SMRA, Santa Barbara, CA
Built 2001 ADT: 58,000
N135-N101,N101-S13
UnknownOver: US HWY 101 (@PM 90.75)
05-SB-135-17.78-SMRA, Santa Barbara, CA
Built 1962 ADT: 58,000
US HIGHWAY 101 SB
UnknownOver: CASTILLO STREET
05-SB-101-R14.19-SB, Santa Barbara, CA
Built 1963 ADT: 16,770
US HIGHWAY 101 NB
UnknownOver: CASTILLO STREET
05-SB-101-R14.19-SB, Santa Barbara, CA
Built 1963 ADT: 16,770
US HIGHWAY 101 SB
UnknownOver: CARRILLO STREET
05-SB-101-R14.76-SB, Santa Barbara, CA
Built 1963 ADT: 29,000
US HIGHWAY 101 NB
UnknownOver: CARRILLO STREET
05-SB-101-R14.76-SB, Santa Barbara, CA
Built 1963 ADT: 2,900
PEDESTRIAN WALKWAY
UnknownOver: U.S. HIGHWAY 101, UP RR
05-SB-101-R14.96-SB, Santa Barbara, CA
Built 1963 ADT: 120,000
US HIGHWAY 101 SB
UnknownOver: MISSION STREET
05-SB-101-R15.73-SB, Santa Barbara, CA
Built 1963 ADT: 10,000
US HIGHWAY 101 NB
UnknownOver: MISSION STREET
05-SB-101-R15.73-SB, Santa Barbara, CA
Built 1963 ADT: 10,000
STATE ROUTE 246
UnknownOver: US HIGHWAY 101
05-SB-246-26.27, Santa Barbara, CA
Built 1965 ADT: 21,000
SANTA ROSA ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-R56.46, Santa Barbara, CA
Built 1965 ADT: 22,000
BAILARD AVENUE
UnknownOver: US HIGHWAY 101
05-SB-101-1.62-CARP, Santa Barbara, CA
Built 1963 ADT: 69,000
DAMASSA ST
UnknownOver: US HIGHWAY 101
05-SB-101-R57.55, Santa Barbara, CA
Built 1965 ADT: 23,000
US HIGHWAY 101 SB
UnknownOver: EVANS AVE
05-SB-101-R8.26, Santa Barbara, CA
Built 1968 ADT: 500
US HIGHWAY 101 NB
UnknownOver: EVANS AVE
05-SB-101-R8.26, Santa Barbara, CA
Built 1968 ADT: 500
PADARO LANE
UnknownOver: U.S. HIGHWAY 101
05-SB-101-R7.13, Santa Barbara, CA
Built 1968 ADT: 75,000
US HIGHWAY 101 NB
UnknownOver: SOUTH PADARO LANE
05-SB-101-R5.28, Santa Barbara, CA
Built 1968 ADT: 1,120
SR 150 (RINCON RD)
UnknownOver: US HWY 101 (@PM R0.63)
05-SB-150-R0.01, Santa Barbara, CA
Built 1971 ADT: 66,000
STATE ROUTE 1 SB
UnknownOver: S1-S101 CON & GAVIOTA CR
05-SB-001-R0.16, Santa Barbara, CA
Built 1967 ADT: 2,000
CLARK AVE
UnknownOver: US HIGHWAY 101
05-SB-101-82.18, Santa Barbara, CA
Built 1966 ADT: 29,000
BECKSTEAD OC
UnknownOver: US HIGHWAY 101
05-SB-101-44.82, Santa Barbara, CA
Built 1987 ADT: 32,000
UP RR & AMTRAK
UnknownOver: S101-LOS PATOS OFF
05-SB-101-11.65-SB, Santa Barbara, CA
Built 1901 ADT: 3,500
STATE ROUTE 1
UnknownOver: US HWY 101 (@PM R48.85)
05-SB-001-R0.01, Santa Barbara, CA
Built 1967 ADT: 32,000
LOS CARNEROS ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-23.72, Santa Barbara, CA
Built 1968 ADT: 65,000
STATE ROUTE 154
UnknownOver: LA COLINA RD
05-SB-154-R32.07, Santa Barbara, CA
Built 1972 ADT: 200
STATE ROUTE 154
UnknownOver: PRIMAVERA RD
05-SB-154-R31.82, Santa Barbara, CA
Built 1972 ADT: 3,000
STATE ROUTE 154
UnknownOver: STATE ROUTE 192
05-SB-154-R31.54, Santa Barbara, CA
Built 1972 ADT: 12,300
SALVAR RD
UnknownOver: STATE ROUTE 154
05-SB-154-R31.20, Santa Barbara, CA
Built 1972 ADT: 17,000
E217-S101 CONNECTR
UnknownOver: UP RR,AMTRAK,S101-OFFRMP
05-SB-217-2.67-SB, Santa Barbara, CA
Built 1963 ADT: 121,000
UP RR & AMTRAK
UnknownOver: STATE ROUTE 225
05-SB-225-R4.61-SB, Santa Barbara, CA
Built 1963 ADT: 27,000
PEDESTRIAN WALKWAY
UnknownOver: STATE ROUTE 135
05-SB-135-15.65-SMRA, Santa Barbara, CA
Built 1991 ADT: 26,000
LA CUMBRE ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-17.78-SB, Santa Barbara, CA
Built 1997 ADT: 133,000
BETTERAVIA ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-86.59, Santa Barbara, CA
Built 1997 ADT: 38,000
STORKE ROAD
UnknownOver: US HIGHWAY 101
05-SB-101-24.77, Santa Barbara, CA
Built 1997 ADT: 65,000
STATE ROUTE 154
UnknownOver: US HWY 101 (@PM 18.36)
05-SB-154-32.27, Santa Barbara, CA
Built 1998 ADT: 125,000
PEDESTRIAN WALKWAY
UnknownOver: U.S. HIGHWAY 101, UP RR
05-SB-101-R14.51-SB, Santa Barbara, CA
Built 2001 ADT: 109,000
MICHELTORENA ST
UnknownOver: US HWY 101,UP RR,MISSION
05-SB-101-R15.26-SB, Santa Barbara, CA
Built 2003 ADT: 120,000
FAIRVIEW AVE
UnknownOver: U.S. HIGHWAY 101
05-SB-101-22.53, Santa Barbara, CA
Built 2001 ADT: 121,000
STATE ROUTE 154
UnknownOver: US HWY 101 (@PM 63.30)
05-SB-154-0.50, Santa Barbara, CA
Built 2000 ADT: 29,000
CATHEDRAL OAKS RD
UnknownOver: US HIGHWAY 101
05-SB-101-26.79, Santa Barbara, CA
Built 2011 ADT: 33,000
Showing 6,451-6,500 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.