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
WISE RD
GoodOver: AUBURN RAVINE
BTWN MILLERTON & STONE RD, Placer, CA
Built 2010 Load: 32.4 t ADT: 1,611
PLESANT GROVE BLVD
GoodOver: KASEBERG CREEK
0.2 MI EAST OF FIDDYMENT, Placer, CA
Built 1990 Load: 32.4 t ADT: 8,800
PLESANTGROVE BLVD
GoodOver: KASEBERG CREEK
0.2 M EAST OF FIDDYMENT, Placer, CA
Built 2006 Load: 32.4 t ADT: 8,800
FIDDYMENT RD
GoodOver: KASEBERG CREEK
FIDDYMENT @ HAYDEN, Placer, CA
Built 2007 Load: 32.4 t ADT: 13,450
PLESANT GROVE BLVD
GoodOver: KASEBERG CREEK
100' W OF ROSE CREEK RD, Placer, CA
Built 1990 Load: 32.4 t ADT: 17,611
BREWER ROAD
GoodOver: BRANCH OF CURRY CREEK
2.3 MI N OF BASELINE ROAD, Placer, CA
Built 2012 Load: 32.4 t ADT: 471
BREWER ROAD
GoodOver: KING SLOUGH
0.54 MI S OF CATLETT ROAD, Placer, CA
Built 2013 Load: 32.4 t ADT: 471
BREWER ROAD
GoodOver: MARKHAM RAVINE
0.6 MI S OF NICOLAUS ROAD, Placer, CA
Built 2013 Load: 32.4 t ADT: 471
DICK COOK RD
GoodOver: MINERS RAVINE
NEAR AUBURN FOLSOM RD, Placer, CA
Built 2010 Load: 32.4 t ADT: 527
DOWD ROAD
GoodOver: YANKEE SLOUGH
0.1 MI S OF DALBY ROAD, Placer, CA
Built 2015 Load: 32.4 t ADT: 756
NELSON LANE SB
GoodOver: MARKHAM RAVINE
SOUTH OF NICOLAUS ROAD, Placer, CA
Built 2014 Load: 32.4 t ADT: 6,950
NELSON LANE NB
GoodOver: MARKHAM RAVINE
SOUTH OF NICOLAUS ROAD, Placer, CA
Built 2014 Load: 32.4 t ADT: 6,950
ALPINE MEADOWS ROA
GoodOver: TRUCKEE RIVER
170 FT E/O HWY 89, Placer, CA
Built 2015 Load: 32.4 t ADT: 2,500
RIOSA ROAD
GoodOver: SOUTH SUTTER AQUEDUCT
AT NORTH DOWD RD, Placer, CA
Built 2012 Load: 32.4 t ADT: 2,000
LINCOLN BLVD
GoodOver: INGRAM SLOUGH
1.0 MI S OF SR 193, Placer, CA
Built 2001 Load: 32.4 t ADT: 18,500
LINCOLN BLVD
GoodOver: COON CREEK OVERFLOW
0.35 MI NW OF CHAMBERLAIN, Placer, CA
Built 1975 Load: 32.4 t ADT: 16,800
BREWER ROAD
GoodOver: PLEASANT GROVE CREEK
1.1 MI S OF SUNSET BLVD W, Placer, CA
Built 2019 Load: 32.4 t ADT: 471
INDUSTRIAL AVENUE
GoodOver: PLEASANT GROVE CREEK
0.7 MI S OF SUNSET AVE, Placer, CA
Built 2018 Load: 32.4 t ADT: 20,651
NORTH DOWD ROAD
GoodOver: COON CREEK
0.3 MI N OF WEST WISE RD, Placer, CA
Built 2022 Load: 32.4 t ADT: 820
CHINA GARDEN RD
GoodOver: SECRET RAVINE
0.1 MI S OF ROCKLIN RD, Placer, CA
Built 1996 Load: 32.4 t ADT: 1,170
MORTON ROAD
GoodOver: CANYON CREEK
150 FT SE/O CASA LOMA RD, Placer, CA
Built 2017 Load: 32.4 t ADT: 100
OAK RIDGE DRIVE
GoodOver: LINDA CREEK
NORTH OF RAMPART DR, Placer, CA
Built 2021 Load: 32.4 t ADT: 2,000
WEST SUNSET BLVD
GoodOver: PLEASANT GROVE CREEK TRB
0.3 MI E OF FOOTHILL BLVD, Placer, CA
Built 2006 Load: 32.4 t ADT: 13,200
CROSBY HEROLD ROAD
GoodOver: DOTY RAVINE
0.9 MI N OF WISE RD, Placer, CA
Built 2021 Load: 32.4 t ADT: 600
STATE ROUTE 70
GoodOver: CHAMBERS CREEK
02-PLU-070-9.04, Plumas, CA
Built 1959 Load: 32.4 t ADT: 1,345
STATE ROUTE 89
GoodOver: SULPHUR CREEK
02-PLU-089-3.40, Plumas, CA
Built 2002 Load: 32.4 t ADT: 1,015
STATE ROUTE 89
GoodOver: BNSF RY
02-PLU-089-19.90, Plumas, CA
Built 1988 Load: 32.4 t ADT: 3,050
STATE ROUTE 89
GoodOver: WOLF CREEK
02-PLU-089-20.01, Plumas, CA
Built 1988 Load: 32.4 t ADT: 3,050
STATE ROUTE 70
GoodOver: GREENHORN CR, UP RR,BNSF
02-PLU-070-51.21, Plumas, CA
Built 1956 Load: 32.4 t ADT: 3,425
STATE ROUTE 284
GoodOver: LITTLE LAST CHANCE CREEK
02-PLU-284-7.01, Plumas, CA
Built 2000 Load: 32.4 t ADT: 640
STATE ROUTE 70
GoodOver: YELLOW CREEK
02-PLU-070-14.90, Plumas, CA
Built 2020 Load: 32.4 t ADT: 1,345
STATE ROUTE 89
GoodOver: LAKE ALMANOR SPILLWAY
02-PLU-089-29.97, Plumas, CA
Built 2018 Load: 32.4 t ADT: 1,150
JOHNSVILLE ROAD
GoodOver: JAMISON CREEK
5.1 MI W SH 89, Plumas, CA
Built 2003 Load: 32.4 t ADT: 560
CR 413 SPN RCH RD
GoodOver: SPANISH CREEK
0.1 MI N BUCKS LAKE RD, Plumas, CA
Built 2021 Load: 32.4 t ADT: 80
COUNTY ROAD 322A
GoodOver: BAILEY CREEK
W OF CR 322, N OF CA 36, Plumas, CA
Built 2016 Load: 32.4 t ADT: 25
CHSTR-WARNER VLYRD
GoodOver: WARNER CREEK
C.R. 312, Plumas, CA
Built 2011 Load: 32.4 t ADT: 280
INTERSTATE 10 WB
GoodOver: PALOWALLA DITCH
08-RIV-010-R142.62, Riverside, CA
Built 1969 Load: 32.4 t ADT: 11,750
INTERSTATE 10 EB
GoodOver: PALOWALLA DITCH
08-RIV-010-R142.65, Riverside, CA
Built 1969 Load: 32.4 t ADT: 11,750
INTERSTATE 10 WB
GoodOver: COPA DITCH
08-RIV-010-R113.81, Riverside, CA
Built 1966 Load: 32.4 t ADT: 10,700
INTERSTATE 10 EB
GoodOver: PALEN DITCH
08-RIV-010-R110.47, Riverside, CA
Built 1966 Load: 32.4 t ADT: 10,700
INTERSTATE 10 WB
GoodOver: AIRPORT DITCH
08-RIV-010-R106.16, Riverside, CA
Built 1967 Load: 32.4 t ADT: 23,000
INTERSTATE 215 SB
GoodOver: BNSF RY & SCRRA
08-RIV-215-R38.61-RIV, Riverside, CA
Built 1966 Load: 32.4 t ADT: 246,000
INTERSTATE 215 NB
GoodOver: BNSF RY & SCRRA
08-RIV-215-R38.67-RIV, Riverside, CA
Built 1936 Load: 32.4 t ADT: 246,000
INTERSTATE 215
GoodOver: CANYON CREST DR
08-RIV-215-41.04-RIV, Riverside, CA
Built 1959 Load: 32.4 t ADT: 250,000
ROUTE 74
GoodOver: BAUTISTA CREEK
08-RIV-074-44.77, Riverside, CA
Built 1960 Load: 32.4 t ADT: 16,116
ROUTE 74
GoodOver: HORSE CREEK
08-RIV-074-75.66, Riverside, CA
Built 1984 Load: 32.4 t ADT: 3,850
STATE ROUTE 79
GoodOver: TEMECULA CREEK
08-RIV-079-7.07, Riverside, CA
Built 1980 Load: 32.4 t ADT: 27,000
INTERSTATE 10 EB
GoodOver: BROWN ARROYO
08-RIV-010-R68.29, Riverside, CA
Built 1964 Load: 32.4 t ADT: 11,250
INTERSTATE 10 EB
GoodOver: HAPPY GULCH
08-RIV-010-R75.67, Riverside, CA
Built 1965 Load: 32.4 t ADT: 9,150
STATE ROUTE 111
GoodOver: CALEB WASH
08-RIV-111-14.03, Riverside, CA
Built 1951 Load: 32.4 t ADT: 2,700
Showing 21,801-21,850 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 |