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
FOREST ROAD 62
PoorOver: WOLF CREEK
3 MI EAST OF SH 108, Mono, CA
Built 1979 Load: 24.3 t ADT: 20
AVENIDA PICO
PoorOver: SEGUNDA DESHECHA CANADA
200' N/O EL CAMINO REAL, Orange, CA
Built 1971 Load: 24.3 t ADT: 12,000
DELANO DRIVE
PoorOver: STRAWBERRY CREEK
0.2 MI. N/O TOLL GATE RD., Riverside, CA
Built 1958 Load: 24.3 t ADT: 500
35TH AVENUE
PoorOver: PALO VERDE LAGOON
1.5 MI. E/O RTE. 78 HWY., Riverside, CA
Built 1960 Load: 24.3 t ADT: 800
DEVORE ROAD
PoorOver: KIMBARK CREEK
0.5 N/O INTERSTATE 215, San Bernardino, CA
Built 1959 Load: 24.3 t ADT: 7,500
U.S. HIGHWAY 101
PoorOver: CORDILLERAS CREEK
04-SM-101-7.13-RDWC, San Mateo, CA
Built 1930 Load: 24.3 t ADT: 195,000
CARIBBEAN DR
PoorOver: SUNNYVALE EAST CHANNEL
0.2 MI E CROSSMAN AVE, Santa Clara, CA
Built 1961 Load: 24.3 t ADT: 6,261
CARIBBEAN DR
PoorOver: SUNNYVALE EAST CHANNEL
0.2 MI E CROSSMAN AVE, Santa Clara, CA
Built 1961 Load: 24.3 t ADT: 7,192
LOCHINVAR AVE
PoorOver: CALABAZAS CREEK
WEST OF LAWRENCE EXPY, Santa Clara, CA
Built 1968 Load: 24.3 t ADT: 2,000
WESTSIDE RD
PoorOver: SOUTH BRANCH CARMAN CRK
NORTH OF CALPINE AREA, Sierra, CA
Built 1950 Load: 24.3 t ADT: 670
WESTSIDE RD
PoorOver: NORTH BRANCH CARMAN CRK
6.1 MI N SR 89 & 49, Sierra, CA
Built 1950 Load: 24.3 t ADT: 670
SNYDER LN
PoorOver: CRANE CRK (SNYDER)
0.7 MI N ROHNERT PARK EXP, Sonoma, CA
Built 1965 Load: 24.3 t ADT: 1,500
SEAVEY RD
PoorOver: NO NAME CREEK
0.4 MI W SPRING HILL RD, Sonoma, CA
Built 1960 Load: 24.3 t ADT: 200
SANTA ROSA AVENUE
PoorOver: COLGAN CREEK
SOUTH OF COLGAN AVENUE, Sonoma, CA
Built 1963 Load: 24.3 t ADT: 29,487
CLARK RD
PoorOver: SUTTER-BUTTE CNL S BRNCH
0.1 MI W OF MADDEN RD, Sutter, CA
Built 1950 Load: 24.3 t ADT: 690
OLD HWY 99 W
PoorOver: MOORE CREEK
1.2 MI N GLENN CO LINE, Tehama, CA
Built 1914 Load: 24.3 t ADT: 1,922
OLD HWY 99 W
PoorOver: BRANNIN CREEK
5.7 MI N GLENN CO LINE, Tehama, CA
Built 1914 Load: 24.3 t ADT: 2,799
ROAD 100
PoorOver: TULARE CANAL
0.5 MI NORTH OF AVE 264, Tulare, CA
Built 1952 Load: 24.3 t ADT: 550
ROAD
PoorOver: MID FK APPLEGATE
NO DATA ENTERED, Siskiyou, CA
Built 1963 Load: 24.5 t ADT: 10
SANTA FE BLVD
PoorOver: ASH SLOUGH
0.36 MI N OF AVE 27, Madera, CA
Built 1956 Load: 24.6 t ADT: 259
DAN MCNAMARA ROAD
PoorOver: DEADMAN CREEK
0.8 MI N SANDY MUSH ROAD, Merced, CA
Built 1960 Load: 24.6 t ADT: 400
INTERSTATE 5 SB
PoorOver: BEACH LAKE
03-SAC-005-12.92, Sacramento, CA
Built 1975 Load: 24.6 t ADT: 46,500
INTERSTATE 5 NB
PoorOver: BEACH LAKE
03-SAC-005-12.93, Sacramento, CA
Built 1975 Load: 24.6 t ADT: 46,500
SHORE ROAD
PoorOver: TEQUISQUITA CREEK
0.05 MI E FRAZER LAKE RD, San Benito, CA
Built 1948 Load: 24.6 t ADT: 6,500
INTERSTATE 40
PoorOver: NEWTON WASH
08-SBD-040-R103.39, San Bernardino, CA
Built 1970 Load: 24.6 t ADT: 7,500
INTERSTATE 40 EB
PoorOver: NEWTON WASH
08-SBD-040-R103.39, San Bernardino, CA
Built 1970 Load: 24.6 t ADT: 7,500
COAST HIGHWAY
PoorOver: LOMA ALTA CREEK
0.3MI S/O OCEANSIDE BLVD, San Diego, CA
Built 2003 Load: 24.6 t ADT: 22,100
STATE ROUTE 1
PoorOver: SANTA MARIA RIVER
05-SLO-001-0.01, San Luis Obispo, CA
Built 1955 Load: 24.6 t ADT: 5,000
WALNUT AVE
PoorOver: SANTA MARGARITA CREEK
BTWN PINE AV & CHSTNUT AV, San Luis Obispo, CA
Built 1940 Load: 24.6 t ADT: 271
RANCHO RIO AVENUE
PoorOver: NEWELL CREEK
0.1 MI E NEWELL CREEK RD, Santa Cruz, CA
Built 1958 Load: 24.6 t ADT: 500
STATE ROUTE 128
PoorOver: PUTAH CREEK
04-SOL-128-0.72, Solano, CA
Built 1954 Load: 24.6 t ADT: 2,600
LAS POSAS ROAD
PoorOver: DISTRICT #2 CANAL
NBVC POINT MUGU, Ventura, CA
Built 1948 Load: 24.6 t ADT: 200
AFTON ROAD
PoorOver: BUTTE CREEK
AT GLENN CO LINE, Butte, CA
Built 1914 Load: 24.9 t ADT: 122
BOWKER RD
PoorOver: BRIAR CANAL
25 FT N/O COLE RD, Imperial, CA
Built 1957 Load: 24.9 t ADT: 2,400
BAKERSFLD-GLEN RD
PoorOver: GRANITE CANYON CREEK
0.5 MI N/O RND MTN RD, Kern, CA
Built 1948 Load: 24.9 t ADT: 930
STATE ROUTE 125
PoorOver: PANORAMA DRIVE
11-SD-125-13.80-LMSA, San Diego, CA
Built 1957 Load: 24.9 t ADT: 183,000
SAN TOMAS EXPWY
PoorOver: UP RR, DELL AVE
AT WINCHESTER BLVD, Santa Clara, CA
Built 1968 Load: 24.9 t ADT: 6,500
STATE ROUTE 236
PoorOver: BOULDER CREEK
05-SCR-236-4.27, Santa Cruz, CA
Built 1926 Load: 24.9 t ADT: 1,200
INTERSTATE 5 SB
PoorOver: FINK ROAD
10-STA-005-10.71, Stanislaus, CA
Built 1967 Load: 24.9 t ADT: 18,000
DEL MONTE DR
PoorOver: BNSF RY
0.1 MI N SAN PABLO AVE, Contra Costa, CA
Built 1965 Load: 25.3 t ADT: 3,124
SALMON CREEK ROAD
PoorOver: SALMON CREEK
2.65 MI AVE OF THE GIANTS, Humboldt, CA
Built 1959 Load: 25.3 t ADT: 226
WHISLER ROAD
PoorOver: POSO CREEK
2.9 MI E STATE HWY 43, Kern, CA
Built 1958 Load: 25.3 t ADT: 950
STATE ROUTE 198
PoorOver: BNSF RY & AMTRAK
06-KIN-198-R18.13-HAN, Kings, CA
Built 1967 Load: 25.3 t ADT: 20,500
WASHINGTON BLVD
PoorOver: RIO HONDO
0.4MI W/O PARAMOUNT BLVD, Los Angeles, CA
Built 1941 Load: 25.3 t ADT: 33,974
CHOWCHILLA BLVD
PoorOver: BERENDA SLOUGH
0.2 MI NW AVE 24 1/2, Madera, CA
Built 1931 Load: 25.3 t ADT: 1,446
ROAD 229A
PoorOver: NORTH FORK WILLOW CREEK
0.2 MI N OF ROAD 222, Madera, CA
Built 1950 Load: 25.3 t ADT: 60
DYSON LANE
PoorOver: MID FK FEATHER RIV OVRFL
2.16 MI E BCKWTH-CLPIN RD, Plumas, CA
Built 1959 Load: 25.3 t ADT: 45
DYSON LANE
PoorOver: MID FK FEATHER RIV OVRFL
2.23 MI E BCKWTH-CLPIN RD, Plumas, CA
Built 1959 Load: 25.3 t ADT: 45
CENTER ST
PoorOver: STOCKTON CHANNEL
N OF WEBER ST, San Joaquin, CA
Built 1949 Load: 25.3 t ADT: 7,000
STATE ROUTE 198
PoorOver: KAWEAH RIVER
06-TUL-198-43.92, Tulare, CA
Built 1922 Load: 25.3 t ADT: 1,650
Showing 26,351-26,400 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.