Total Bridges
27,040
Public highway bridges in California
State profile · Below median Poor share
California bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in California, based on the FHWA National Bridge Inventory.
- 27,040
- Public bridges
- 32.5%
- Good condition
- 4.6%
- Poor condition
Data updated May 2026
Good Condition
32.5%
8,777 bridges rated 7-9
-17.5pp vs 50% benchmark
Poor Condition
4.6%
1,244 bridges whose lowest applicable component is rated 0-4
-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 - Poor-condition share 15.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
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 by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below California on the same metric.
OH
Ohio
4.54% top marginal rate
NJ
New Jersey
4.59% top marginal rate
CA
California
4.60% top marginal rate
AR
Arkansas
4.71% top marginal rate
WA
Washington
4.81% top marginal rate
Bridges Needing Most Attention in California
Six lowest-condition bridges in California, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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
PoorOver: 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
SUVA ST
PoorOver: RIO HONDO
0.8MI N/O FLORENCE AVE, Los Angeles, CA
Built 1954 Load: 12.3 t ADT: 11,589
BASELINE RD
PoorOver: EAST TWIN CREEK CHANNEL
0.75 MI E WATERMAN AVE, San Bernardino, CA
Built 1961 Load: 12.3 t ADT: 28,140
NAT TRAILS HWY
PoorOver: ATAJO DITCH
14.3 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 12.3 t ADT: 502
NAT TRAILS HWY
PoorOver: AXTON DITCH
26.0 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 12.3 t ADT: 502
NAT TRAILS HWY
PoorOver: ECKSY DITCH
1.30 MI E OF ESSEX RD, San Bernardino, CA
Built 1930 Load: 12.3 t ADT: 502
SCOTT MTN RD
PoorOver: EAST FORK SCOTT RIVER
AT GAZELLE CALLAHAN RD, Siskiyou, CA
Built 1914 Load: 12.3 t ADT: 23
WILMINGTON AVE
PoorOver: COMPTON CRK
0.5MI S/O ROSECRANS AVE, Los Angeles, CA
Built 1938 Load: 12.6 t ADT: 29,520
HARTMAN CUTOFF
PoorOver: WILLOW CREEK
0.2 MI N/O CR 415, Madera, CA
Built 1973 Load: 12.6 t ADT: 22
CHUCKWALLA VLY RD
PoorOver: TARANTULA DITCH
1.5 MI E/O CORN SPRNGS RD, Riverside, CA
Built 1931 Load: 12.6 t ADT: 40
NAT TRAILS HWY
PoorOver: ALBRO DITCH
13.8 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 12.6 t ADT: 502
34013: HUNTING CRE
PoorOver: HUNTING CREEK
20.4 mi W of Lower Lake,, Lake, CA
Built 2003 Load: 13.0 t ADT: 25
C.R. 810
PoorOver: E FK CHOWCHILLA RIVER
0.1 MI SE OF CR 800, Madera, CA
Built 1965 Load: 13.0 t ADT: 25
HUSMAN ROAD
PoorOver: OUTSIDE CANAL
0.6 MI E WHITWORTH RD, Merced, CA
Built 1945 Load: 13.0 t ADT: 265
LOMPICO ROAD
PoorOver: LOMPICO CREEK
0.9 MI W ZAYANTE RD, Santa Cruz, CA
Built 1949 Load: 13.0 t ADT: 2,000
BLOOMFIELD RD
PoorOver: BLOOMFIELD CREEK
0.18 MI N VALLEY FORD RD, Sonoma, CA
Built 1917 Load: 13.0 t ADT: 524
CRABTREE ROAD
PoorOver: DRY CREEK
1.8 MI S WARNERVILLE RD, Stanislaus, CA
Built 1920 Load: 13.0 t ADT: 123
MEADOW WAY
PoorOver: SAN ANSELMO CREEK
0.1 MI SE OF CASCADE DR, Marin, CA
Built 1950 Load: 13.3 t ADT: 55
ISLAND ROAD
PoorOver: LITTLE TULE RIVER
2.3 MI N OF ARTHUR RD, Shasta, CA
Built 1950 Load: 13.3 t ADT: 100
COOPERSTOWN ROAD
PoorOver: RYDBERG CREEK
3.9 MI NW LA GRANGE RD, Stanislaus, CA
Built 1922 Load: 13.3 t ADT: 37
OPENSHAW RD
PoorOver: DRY CREEK
0.15 MI N SHIPPEE RD, Butte, CA
Built 1930 Load: 13.6 t ADT: 20
RD 305
PoorOver: SUSAN RIVER OVERFLOW #14
0.1 MI S/O US 395, Lassen, CA
Built 1977 Load: 13.6 t ADT: 100
BEACH RD (MAIN ST)
PoorOver: SAN FRANCISCO BAY
INTERSECTION BEACH & MAIN, Marin, CA
Built 1918 Load: 13.6 t ADT: 2,000
CARMEL VALLEY RD
PoorOver: TASH CREEK
4.5 MI N/W ARROYO SECO RD, Monterey, CA
Built 1959 Load: 13.6 t ADT: 290
NAT TRAILS HWY
PoorOver: AVILLA DITCH
0.50 MI E OF ESSEX RD, San Bernardino, CA
Built 1930 Load: 13.6 t ADT: 502
NEW JERSEY ST
PoorOver: MOREY ARROYO
0.45 MI N BARTON RD, San Bernardino, CA
Built 1933 Load: 13.6 t ADT: 3,475
TULLY ROAD
PoorOver: M.I.D. MAIN CANAL
0.1 N/O THIEMAN AV, Stanislaus, CA
Built 1924 Load: 13.6 t ADT: 3,434
CRANMORE RD
PoorOver: WESTSIDE CANAL
0.3 MI N FASIG RD, Sutter, CA
Built 1925 Load: 13.6 t ADT: 61
AVENUE 394
PoorOver: FRIANT-KERN CANAL
0.2 MI WEST OF ROAD 176, Tulare, CA
Built 1949 Load: 13.6 t ADT: 25
CHILD'S HILL ROAD
PoorOver: ROCK CREEK
8.8 MI SE OF HAMILTON RD, Del Norte, CA
Built 1950 Load: 13.9 t ADT: 10
STALNACKER ROAD
PoorOver: RESERVATION MAIN DRAIN
0.33 MI E/O AVE. 'G', Imperial, CA
Built 1950 Load: 13.9 t ADT: 200
RD 600
PoorOver: CROOKS CREEK
0.05 MI E RD 619, Madera, CA
Built 1965 Load: 13.9 t ADT: 560
RELIEF HILL RD
PoorOver: HUMBUG CREEK
NEAR GRANITEVILLE RD, Nevada, CA
Built 1952 Load: 13.9 t ADT: 27
ROAD 24N28
PoorOver: SLATE CREEK
SLATE CREEK, Plumas, CA
Built 1956 Load: 13.9 t ADT: 50
YORK ROAD
PoorOver: WILLOW CREEK
0.2 MI E OF AIRPORT RD, Siskiyou, CA
Built 1930 Load: 13.9 t ADT: 39
MATTOLE RD
PoorOver: DOMINGO CREEK
21.2 MI N/O HONEYDEW, Humboldt, CA
Built 1926 Load: 14.3 t ADT: 183
HOLMES FLAT ROAD
PoorOver: LARABEE LOW LEVEL-EEL RI
NEAR HOLMES, Humboldt, CA
Built 1960 Load: 14.3 t ADT: 100
SHANK ROAD
PoorOver: EAST HIGHLINE CANAL
3 MI E/O BUTTERS RD, Imperial, CA
Built 1938 Load: 14.3 t ADT: 50
RECTOR RD
PoorOver: ROCK CREEK
1 MI N OF ROCK CREEK RD, Nevada, CA
Built 1915 Load: 14.3 t ADT: 62
OLD DUNCANS GRD RD
PoorOver: AUSTIN CREEK
BTN CZDERO HY&AUSTN CR RD, Sonoma, CA
Built 1924 Load: 14.3 t ADT: 30
WEST BUTTE RD
PoorOver: CHEROKEE DRAIN
AT NORTH BUTTE RD, Sutter, CA
Built 1920 Load: 14.3 t ADT: 97
16TH AVE
PoorOver: TULARE LAKE CANAL
0.3 MI N NEVADA AVE, Kings, CA
Built 1950 Load: 14.6 t ADT: 200
STATE ROUTE 140
PoorOver: SOUTH FORK MERCED RIVER
10-MPA-140-43.22, Mariposa, CA
Built 1926 Load: 14.6 t ADT: 1,400
CHUCKWALLA VLY RD
PoorOver: AZTEC DITCH
0.2 MI E/O CORN SPRNGS RD, Riverside, CA
Built 1931 Load: 14.6 t ADT: 40
PLEASANT WAY
PoorOver: SAN LORENZO RIVER
0.1 MI W OF SR 9, Santa Cruz, CA
Built 1949 Load: 14.6 t ADT: 400
SHIELDS ROAD
PoorOver: DELTA-MENDOTA CANAL
1.5 MI WEST OF EASTIN RD, Stanislaus, CA
Built 1949 Load: 14.6 t ADT: 50
WILLARD RD
PoorOver: BRANCH OF REEDS CREEK
LIVE OAK ROAD, Tehama, CA
Built 1960 Load: 14.6 t ADT: 140
MAXWELL-SITES RD
PoorOver: STONE CORRAL CREEK
8.8 MI W/O I-5, Colusa, CA
Built 1929 Load: 14.9 t ADT: 459
HANKINS ROAD
PoorOver: SPRING CREEK
0.8 MI NW FROM WALNUT DR, Colusa, CA
Built 1960 Load: 14.9 t ADT: 118
W LAGUNA AVE
PoorOver: CRESCENT DITCH
0.9 MI EAST OF BISHOP AVE, Fresno, CA
Built 1950 Load: 14.9 t ADT: 75
E LINCOLN AVE
PoorOver: TRAVERS CREEK
0.5 MI EAST OF ALTA AVE, Fresno, CA
Built 1940 Load: 14.9 t ADT: 450
Showing 25,951-26,000 of 27,040 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.