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
MISSION OAKS BLVD
GoodOver: CALLEGUAS CREEK
0.5 MI W ADOLFO RD, Ventura, CA
Built 1997 Load: 32.4 t ADT: 10,000
MOORPARK ROAD
GoodOver: ARROYO SANTA ROSA
.84 MI S TIERRA REJADA RD, Ventura, CA
Built 2003 Load: 32.4 t ADT: 14,200
OLD CREEK ROAD
GoodOver: SAN ANTONIO CREEK
0.01 MI E/O RTE I33, Ventura, CA
Built 2011 Load: 32.4 t ADT: 150
GRIMES CANYON ROAD
GoodOver: GRIMES CANYON WASH
2.4 MI N/ STATE ROUTE 118, Ventura, CA
Built 2008 Load: 32.4 t ADT: 3,200
TELEPHONE RD
GoodOver: BROWN BARRANCA
0.1 MI W WELLS RD, Ventura, CA
Built 2005 Load: 32.4 t ADT: 11,599
POTRERO ROAD
GoodOver: SHERWOOD LAKE
AT STAFFORD RD, Ventura, CA
Built 1990 Load: 32.4 t ADT: 3,600
SEQUOIA AVENUE
GoodOver: ARROYO SIMI
0.1 MI S/O ROYAL AVENUE, Ventura, CA
Built 1997 Load: 32.4 t ADT: 7,000
HIDDEN RANCH ROAD
GoodOver: ARROYO SIMI
2.5 MI S/O LOS ANGELES AV, Ventura, CA
Built 2002 Load: 32.4 t ADT: 1,000
LOST CANYON DRIVE
GoodOver: TAPO CANYON DRAIN
0.1 MI W/O TAPO CANYON RD, Ventura, CA
Built 2001 Load: 32.4 t ADT: 2,000
YOSEMITE AVENUE
GoodOver: ARROYO LAS LLAJAS "N"
0.5 MI N/O EVENING SKY DR, Ventura, CA
Built 2002 Load: 32.4 t ADT: 2,500
YOSEMITE AVENUE
GoodOver: ARROYO LAS LLAJAS "I"
0.4 M N/O EVENING SKY DR, Ventura, CA
Built 2003 Load: 32.4 t ADT: 2,500
TELEGRAPH ROAD
GoodOver: ELLSWORTH BARRANCA
1.3 M E/O WELLS RD, Ventura, CA
Built 2012 Load: 32.4 t ADT: 3,200
DAVIDSON LANE
GoodOver: ARROYO SIMI
0.2 MI S LOS ANGELES AVE., Ventura, CA
Built 1970 Load: 32.4 t ADT: 150
OAK ROAD
GoodOver: ARROYO SIMI
0.2 MI S/LOS ANGELES AVE., Ventura, CA
Built 1970 Load: 32.4 t ADT: 100
CARMEN DRIVE
GoodOver: CAMARILLO HILLS DRAIN
0-.1 M S/O PONDEROSA DR., Ventura, CA
Built 2012 Load: 32.4 t ADT: 13,000
FLYNN RD.
GoodOver: SOMIS DRAIN
0.4 MI N/O I101, Ventura, CA
Built 1981 Load: 32.4 t ADT: 9,000
VIA ALONDRA
GoodOver: SOMIS DRAIN
0.1 MI SW/O MAYA LINDA ST, Ventura, CA
Built 1982 Load: 32.4 t ADT: 150
OXNARD BLVD
GoodOver: EL RIO DRAIN
500 FT N OF VINEYARD AVE, Ventura, CA
Built 1964 Load: 32.4 t ADT: 26,000
SANTA ANA BLVD
GoodOver: VENTURA RIVER
0.5 M W/O N. VENTURA AVE, Ventura, CA
Built 2022 Load: 32.4 t ADT: 2,500
CHANNEL ISLANDS DR
GoodOver: LONG GRADE CANYON CREEK
0.05 MI N ANACAPA ISLAND, Ventura, CA
Built 2006 Load: 32.4 t ADT: 700
UNIVERSITY DRIVE
GoodOver: LONG GRADE CANYON CREEK
0.8 MI E/O LEWIS RD, Ventura, CA
Built 2012 Load: 32.4 t ADT: 1,000
STATE ROUTE 16
GoodOver: CAPAY CANAL
03-YOL-016-25.15, Yolo, CA
Built 1991 Load: 32.4 t ADT: 11,200
STATE ROUTE 113
GoodOver: KNIGHTS LANDING RDGE CUT
03-YOL-113-M21.26, Yolo, CA
Built 1994 Load: 32.4 t ADT: 8,300
INTERSTATE 505
GoodOver: OAT CREEK
03-YOL-505-20.79, Yolo, CA
Built 1977 Load: 32.4 t ADT: 12,000
STATE ROUTE 113 SB
GoodOver: CFNR
03-YOL-113-R6.81, Yolo, CA
Built 1990 Load: 32.4 t ADT: 10,750
STATE ROUTE 113 NB
GoodOver: CFNR
03-YOL-113-R6.81, Yolo, CA
Built 1990 Load: 32.4 t ADT: 10,750
INTERSTATE 5
GoodOver: BRANCH BRETONA CREEK
03-YOL-005-R21.07, Yolo, CA
Built 1968 Load: 32.4 t ADT: 22,400
INTERSTATE 5
GoodOver: BIRD CREEK
03-YOL-005-R23.23, Yolo, CA
Built 1968 Load: 32.4 t ADT: 30,000
INTERSTATE 5
GoodOver: ADAMS DITCH
03-YOL-005-R13.27, Yolo, CA
Built 1950 Load: 32.4 t ADT: 23,500
INTERSTATE 5
GoodOver: ADAMS CREEK
03-YOL-005-R13.80, Yolo, CA
Built 1970 Load: 32.4 t ADT: 23,500
INTERSTATE 5
GoodOver: QUAKER DRAW
03-YOL-005-R16.32, Yolo, CA
Built 1970 Load: 32.4 t ADT: 23,500
INTERSTATE 5
GoodOver: WILLOW SPRING CREEK
03-YOL-005-R17.50, Yolo, CA
Built 1970 Load: 32.4 t ADT: 23,500
INTERSTATE 5
GoodOver: ZAMORA CREEK
03-YOL-005-R19.22, Yolo, CA
Built 1970 Load: 32.4 t ADT: 22,400
COUNTY ROAD 89
GoodOver: UNION SCHOOL SLOUGH
0.01 MI N/O C.R. #28, Yolo, CA
Built 1999 Load: 32.4 t ADT: 1,790
COUNTY ROAD 22
GoodOver: TULE CANAL
JUST WEST OF I-5 ON-RAMP, Yolo, CA
Built 2003 Load: 32.4 t ADT: 2,500
COUNTY ROAD 99W
GoodOver: WILLOW SPRING CREEK
AT INTERSECTION OF CR13, Yolo, CA
Built 1949 Load: 32.4 t ADT: 1,176
COVELL BOULEVARD
GoodOver: PS RR & BIKE PATH
1.3 MI EAST OF ROUTE 113, Yolo, CA
Built 1973 Load: 32.4 t ADT: 21,998
COUNTY ROAD 31
GoodOver: CHICKAHOMINY SLOUGH
0.7 MI W OF C.R. #95, Yolo, CA
Built 1983 Load: 32.4 t ADT: 4,885
COUNTY ROAD 85
GoodOver: SOUTH FORK OAT CREEK
0.4 MI N OF CR # 13, Yolo, CA
Built 2006 Load: 32.4 t ADT: 394
COUNTY ROAD 31
GoodOver: DRY SLOUGH
0.6 MI WEST OF CR #95, Yolo, CA
Built 1983 Load: 32.4 t ADT: 4,885
COUNTY ROAD 88
GoodOver: N FORK DUNNIGAN CREEK
0.7 MI N OF COUNTY ROAD 6, Yolo, CA
Built 1985 Load: 32.4 t ADT: 432
WEST CHILES ROAD
GoodOver: BIKE & PEDESTRIAN PATH
.2 MI SW OF RICHARD'S EX, Yolo, CA
Built 2000 Load: 32.4 t ADT: 115
JEFFERSON BLVD
GoodOver: MORTON BLACKER CANAL
JUST SOUTH OF BLACKER RD, Yolo, CA
Built 2005 Load: 32.4 t ADT: 19,015
C.R. #95
GoodOver: SOUTH FORK WILLOW SLOUGH
0.82 MI S OF C.R. #25, Yolo, CA
Built 2007 Load: 32.4 t ADT: 747
C.R. #89
GoodOver: SOUTH FORK WILLOW SLOUGH
0.22 MI N OF SR 16, Yolo, CA
Built 2007 Load: 32.4 t ADT: 523
COUNTY ROAD 29
GoodOver: SALT CREEK
2.8 MI W OF COUNTY RD 88, Yolo, CA
Built 2014 Load: 32.4 t ADT: 150
COUNTY ROAD 89
GoodOver: BUCKEYE CREEK
0.04 MI NORTH OF CR #3B, Yolo, CA
Built 2014 Load: 32.4 t ADT: 500
C.R. # 86A
GoodOver: COTTONWOOD SLOUGH
0.22 MI NORTH OF CR # 25, Yolo, CA
Built 2015 Load: 32.4 t ADT: 146
COUNTY ROAD 99W
GoodOver: BUCKEYE CREEK
0.5 MI SE OF CO LINE RD, Yolo, CA
Built 2018 Load: 32.4 t ADT: 2,000
COUNTY ROAD 12
GoodOver: ZAMORA CREEK
0.3 MI WEST OF I-5, Yolo, CA
Built 2016 Load: 32.4 t ADT: 160
Showing 23,601-23,650 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 |