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
BELL ACCESS RD
PoorOver: OAK CREEK
0.1 MI EOF BELL ACCESS RD, Inyo, CA
Built 1940 Load: 16.2 t ADT: 50
SOLEDAD CYN RD
PoorOver: LACMTA AND SCRRA TRACK
0.1MI E/O AGUA DULCE CYN, Los Angeles, CA
Built 1938 Load: 16.2 t ADT: 3,162
STATE ROUTE 1
PoorOver: REDWOOD CREEK
04-MRN-001-6.02, Marin, CA
Built 1926 Load: 16.2 t ADT: 3,900
ARROYA AVENUE
PoorOver: WEST DELTA CANAL
0.9 MI N OF SR 152, Merced, CA
Built 1930 Load: 16.2 t ADT: 40
MAIN CAMP FIRE RD
PoorOver: BIG SUR RIVER
PFEIFFER BIG SUR ST PARK, Monterey, CA
Built 2009 Load: 16.2 t ADT: 100
ROCK CREEK RD
PoorOver: ROCK CREEK
1 MI E OF RECTOR RD, Nevada, CA
Built 1920 Load: 16.2 t ADT: 80
MAIN ST
PoorOver: PILARCITOS CREEK
0.25 MI S/O SR 92, San Mateo, CA
Built 1900 Load: 16.2 t ADT: 2,350
PILARCITOS CREEK R
PoorOver: PILARCITOS CREEK
0.46 MI N OF S.H. 92, San Mateo, CA
Built 1910 Load: 16.2 t ADT: 42
GEYSERS ROAD
PoorOver: CAMACHO CREEK
24 MI N OF SR 128, Sonoma, CA
Built 1974 Load: 16.2 t ADT: 60
W. STANISLAUS ROAD
PoorOver: W STANISLAUS I.D. LAT 4
200' W HAMILTON RD, Stanislaus, CA
Built 1930 Load: 16.2 t ADT: 119
MONTE VISTA AVENUE
PoorOver: T.I.D. CERES MAIN CANAL
0.3 MI W FAITH HOME ROAD, Stanislaus, CA
Built 1914 Load: 16.2 t ADT: 473
LANGWORTH ROAD
PoorOver: M.I.D. MAIN CANAL
3 MI N MILNES RD, Stanislaus, CA
Built 1925 Load: 16.2 t ADT: 1,873
LARKIN RD
PoorOver: S BRNCH SUTTER-BUTTE CNL
0.2 MI N OF ENCINAL RD, Sutter, CA
Built 1925 Load: 16.2 t ADT: 1,159
NUESTRO ROAD
PoorOver: SUTTER CO EXTENSION CNL
0.8 MI E OF E BUTTE RD, Sutter, CA
Built 1940 Load: 16.2 t ADT: 325
3RD ST (CORNING)
PoorOver: THEMPER DITCH
0.5 MI N SOLANO RD, Tehama, CA
Built 1915 Load: 16.2 t ADT: 4,152
CORNING ROAD
PoorOver: SOUTH FORK JEWETT CREEK
1.3 MI W/D I-5, Tehama, CA
Built 1938 Load: 16.2 t ADT: 2,500
CAPAY RD
PoorOver: MOORE CREEK
3.6 MI E OF RD 99 W, Tehama, CA
Built 1919 Load: 16.2 t ADT: 982
CENTER STREET
PoorOver: MILL CREEK
@ TIPTON STREET, Tulare, CA
Built 1930 Load: 16.2 t ADT: 400
STATE ROUTE 120
PoorOver: CHINESE CREEK
10-TUO-120-14.73, Tuolumne, CA
Built 1914 Load: 16.2 t ADT: 2,800
CALAVERITAS RD
PoorOver: WILLOW CREEK
1.2 MI S OF MOUNTAIN RA R, Calaveras, CA
Built 1925 Load: 16.5 t ADT: 256
ROAD 22
PoorOver: CENTRAL IRRIGATION CANAL
WEST OF S.H. 45, Glenn, CA
Built 1936 Load: 16.5 t ADT: 63
ROAD #48
PoorOver: BRANCH WALKER CREEK
0.85 MI EAST OF 99W, Glenn, CA
Built 1940 Load: 16.5 t ADT: 647
WOLF CREEK ROAD
PoorOver: WOLF CREEK
IN SPRING VALLEY LAKE DEV, Lake, CA
Built 1967 Load: 16.5 t ADT: 26
FREEPORT
PoorOver: SACRAMENTO RIVER
CONCTS FRPRT BL S RIV RD, Sacramento, CA
Built 1929 Load: 16.5 t ADT: 3,112
CHURCH STREET
PoorOver: M.I.D. LATERAL #2
1 MI N/O SR 132, Stanislaus, CA
Built 1920 Load: 16.5 t ADT: 3,678
SANTA FE AVENUE
PoorOver: T.I.D. UPPER LATERAL #2
0.1 MI S/O SERVICE ROAD, Stanislaus, CA
Built 1925 Load: 16.5 t ADT: 7,057
FIDDLETOWN ROAD
PoorOver: NORTH FORK DRY CREEK
0.2 MI E AMERICAN FLAT RD, Amador, CA
Built 1923 Load: 16.8 t ADT: 1,237
SHENANDOAH ROAD
PoorOver: BIG INDIAN CREEK
1 MI N PLMTH FIDLETOWN RD, Amador, CA
Built 1930 Load: 16.8 t ADT: 3,006
MIDDLE HONCUT RD
PoorOver: WYANDOTTE CREEK
2.2 MI E OF SH 70, Butte, CA
Built 1920 Load: 16.8 t ADT: 60
ORD FERRY ROAD
PoorOver: LITTLE CHICO CREEK
1 MI EAST OF RIVER ROAD, Butte, CA
Built 1949 Load: 16.8 t ADT: 1,364
SYCAMORE SLOUGH RD
PoorOver: SYCAMORE SLOUGH
4.3 MI NE SACHREITER RD, Colusa, CA
Built 1915 Load: 16.8 t ADT: 60
BRIM ROAD
PoorOver: BEAR CREEK
0.1 MI W BEAR VALLEY ROAD, Colusa, CA
Built 1920 Load: 16.8 t ADT: 15
DELTA ROAD
PoorOver: MARSH CREEK
0.8 MI E OF SH4, Contra Costa, CA
Built 1965 Load: 16.8 t ADT: 4,147
GARDEN VALLEY RD
PoorOver: JOHNTOWN CREEK
3.5 MI NE OF S.R. 193, El Dorado, CA
Built 1928 Load: 16.8 t ADT: 1,391
ROAD #61
PoorOver: WILLOW CREEK
6 MI E OF 99W, Glenn, CA
Built 1949 Load: 16.8 t ADT: 928
IRR ROAD 305
PoorOver: WATSON CREEK
JUST EAST OF ROAD 306, Glenn, CA
Built 1920 Load: 16.8 t ADT: 120
COUNTY ROAD 200
PoorOver: BRANCH SALT CREEK
0.8 MI W OF RD #306, Glenn, CA
Built 1925 Load: 16.8 t ADT: 91
RIVER ROAD
PoorOver: KERN RIVER PARK
EAST OF HARBOR ROAD, Kern, CA
Built 1934 Load: 16.8 t ADT: 450
STATE ROUTE 29
PoorOver: GARNETT CREEK
04-NAP-029-39.08, Napa, CA
Built 1902 Load: 16.8 t ADT: 12,000
SQUAW VALLEY ROAD
PoorOver: SQUAW CREEK
2 MI W OF SH 89, Placer, CA
Built 1959 Load: 16.8 t ADT: 2,497
MT VERNON AVE
PoorOver: SANTA ANA RIVER
0.6 MI S OF RTE I-10, San Bernardino, CA
Built 1967 Load: 16.8 t ADT: 20,000
GREAT AMERICA PKWY
PoorOver: AGNEW OVERFLOW
JUST WEST OF GOLD STREET, Santa Clara, CA
Built 1957 Load: 16.8 t ADT: 7,500
RAILROAD AVENUE
PoorOver: WRIGLEY FORD CREEK
NORTH OF WELLER LANE, Santa Clara, CA
Built 1920 Load: 16.8 t ADT: 10
STATE ROUTE 116
PoorOver: GREEN VALLEY CREEK
04-SON-116-18.66, Sonoma, CA
Built 1930 Load: 16.8 t ADT: 12,400
WOHLER RD
PoorOver: MARK WEST CREEK
NEAR RIVER RD, Sonoma, CA
Built 1922 Load: 16.8 t ADT: 500
MARSHALL ROAD
PoorOver: DELTA-MENDOTA CANAL
0.4 MI EAST OF WARD AVE, Stanislaus, CA
Built 1949 Load: 16.8 t ADT: 1,216
FIVE MILE DRIVE
PoorOver: MULE CREEK
1 MI S/O SH 104, Amador, CA
Built 1925 Load: 17.2 t ADT: 260
CAMP CREEK RD
PoorOver: CAMP CREEK
3.1 MI NE PULGA RD, Butte, CA
Built 1941 Load: 17.2 t ADT: 20
GREENWOOD ROAD
PoorOver: NORTH BRNCH GREENWOOD CR
0.3 MI S OF S.R. 193, El Dorado, CA
Built 1927 Load: 17.2 t ADT: 962
ROAD 'Y'
PoorOver: MCKEE OVERFLOW
1.1 MI N HWY 162, Glenn, CA
Built 1935 Load: 17.2 t ADT: 157
Showing 26,051-26,100 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.