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
TYLER FOOTE XING
PoorOver: MIDDLE YUBA RIVER
NEV/SIE CO LINE, Nevada, CA
Built 1958 Load: 7.5 t ADT: 58
HORSE CREEK RD
PoorOver: KLAMATH RIVER
0.04 MI NORTH OF SR 96, Siskiyou, CA
Built 1930 Load: 7.5 t ADT: 21
MESA RD
PoorOver: DURHAM MUTUAL DITCH
0.7 MI W OROVILLECHICO HY, Butte, CA
Built 1949 Load: 7.8 t ADT: 130
US HIGHWAY 101 SB
PoorOver: NOJOQUI CREEK
05-SB-101-55.00, Santa Barbara, CA
Built 1956 Load: 7.8 t ADT: 11,000
BELLE MILL RD
PoorOver: PAYNES CREEK SLOUGH
ROYAL DRIVE, Tehama, CA
Built 1915 Load: 7.8 t ADT: 1,373
N FANCHER AVE
PoorOver: MILL DITCH
0.3 MI SOUTH OF MCKINLEY, Fresno, CA
Built 1939 Load: 8.1 t ADT: 200
STATE ROUTE 162
PoorOver: SACRAMENTO RIVER
03-GLE-162-76.70, Glenn, CA
Built 1948 Load: 8.1 t ADT: 2,400
ROAD 200A
PoorOver: STONY CREEK
7 MI SW OF ROAD 206, Glenn, CA
Built 1960 Load: 8.1 t ADT: 63
LINDLEY ROAD
PoorOver: MATTOLE RIVER
0.5 MI NE MATTOLE RD, Humboldt, CA
Built 1925 Load: 8.1 t ADT: 50
OLD TOPANGA CYN RD
PoorOver: RED ROCK CRK
1.9MI N/O TOPANGA CYN BL, Los Angeles, CA
Built 1936 Load: 8.1 t ADT: 2,712
BURCHELL AVENUE
PoorOver: DUCK SLOUGH
0.6 MI N/O MARIPOSA WAY, Merced, CA
Built 1938 Load: 8.1 t ADT: 360
DILLON ROAD
PoorOver: WHITEWATER RIVER
0.12 MI. SE/O SR 86S, Riverside, CA
Built 1950 Load: 8.1 t ADT: 8,700
SAN FELIPE ROAD
PoorOver: TEQUISQUITA SLOUGH
0.85 MI SOUTH OF SHORE RD, San Benito, CA
Built 1952 Load: 8.1 t ADT: 2,760
NAT TRAILS HWY
PoorOver: CALIFA DITCH
21.2 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 8.1 t ADT: 502
GILROY HOT SPGS RD
PoorOver: COYOTE CREEK
2.6 MI N CANADA RD, Santa Clara, CA
Built 1921 Load: 8.4 t ADT: 10
COUNTY ROAD 303
PoorOver: S FK WILLOW CREEK
4.3 MI S OF S.H. 162, Glenn, CA
Built 1920 Load: 8.7 t ADT: 56
CHALK MTN RD
PoorOver: NORTH FORK CACHE CREEK
IN SPRING VALLEY LAKE DEV, Lake, CA
Built 1967 Load: 8.7 t ADT: 15
SYCAMORE SLOUGH RD
PoorOver: SYCAMORE SLOUGH
0.6 MI N OF SACHREITER RD, Colusa, CA
Built 1915 Load: 9.1 t ADT: 70
CHOWCHILLA ROAD
PoorOver: BIG CREEK
Approx. 2.5 miles SW of W, Mariposa, CA
Built 1940 Load: 9.1 t ADT: 20
WURR RD
PoorOver: PESCADERO CREEK
0.1 MI E PESCADERO RD, San Mateo, CA
Built 1962 Load: 9.1 t ADT: 91
GREEN VALLEY RD
PoorOver: CASSERLY CREEK TRIB NO 1
4.1 MI N FREEDOM BLVD, Santa Cruz, CA
Built 1915 Load: 9.1 t ADT: 500
BELLE MILL RD
PoorOver: SAMSON SLOUGH
WHITE ROAD, Tehama, CA
Built 1915 Load: 9.1 t ADT: 1,837
NAT TRAILS HWY
PoorOver: SOMBRA DITCH
4.1 MI E OF AMBOY RD, San Bernardino, CA
Built 1930 Load: 9.4 t ADT: 806
CALAVERITAS RD
PoorOver: CALAVERITAS CREEK
4.6 MI SE/O MT RANCH RD, Calaveras, CA
Built 1928 Load: 10.0 t ADT: 203
LOCKWOOD SAN LUCAS
PoorOver: SALINAS RIVER
0.1 MI W OF US 101, Monterey, CA
Built 1915 Load: 10.0 t ADT: 530
NAT TRAILS HWY
PoorOver: ADENA DITCH
21.9 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 10.0 t ADT: 502
NAT TRAILS HWY
PoorOver: BANDERA WASH
26.1 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 10.0 t ADT: 502
GREEN VALLEY RD
PoorOver: CASSERLY CREEK TRIB NO 2
@ TRAVELERS LANE, Santa Cruz, CA
Built 1920 Load: 10.0 t ADT: 500
VESTAL ROAD
PoorOver: SOUTH FORK COTTONWOOD CR
1.8 MI N/W PETTY JOHN RD, Tehama, CA
Built 1949 Load: 10.0 t ADT: 50
GAVIN MANDRY DRIVE
PoorOver: HUTCHINSON CREEK
1 MILE EAST OF INTERSECTI, Yuba, CA
Built 1952 Load: 10.0 t ADT: 3,400
DOOLITTLE DRIVE
PoorOver: HUTCHINSON CREEK
3.5 MILES SOUTH OF DOOLIT, Yuba, CA
Built 1952 Load: 10.0 t ADT: 3,900
WARREN SHINGLE ROA
PoorOver: HUTCHINSON CREEK
0.85 MILES EAST OF INTERS, Yuba, CA
Built 1952 Load: 10.0 t ADT: 2,000
LINDEMANN RD
PoorOver: DELTA-MENDOTA CANAL
100 FT S HERDLYN RD, Contra Costa, CA
Built 1950 Load: 10.4 t ADT: 150
GRIZZLY FLAT ROAD
PoorOver: STEELY FK COSUMNES RIVER
7.0 MI E OF MT AUKUM RD, El Dorado, CA
Built 1936 Load: 10.4 t ADT: 2,080
NAT TRAILS HWY
PoorOver: CLIPPER DITCH
23.6 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 10.4 t ADT: 502
ROCK CREEK ROAD
PoorOver: EAST FORK MILL CREEK
4.1 MILES EAST OF US 101, Del Norte, CA
Built 1950 Load: 11.0 t ADT: 10
NAT TRAILS HWY
PoorOver: ELLITA DITCH
15.3 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 11.0 t ADT: 502
NAT TRAILS HWY
PoorOver: TENINO DITCH
16.0 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 11.0 t ADT: 502
NAT TRAILS HWY
PoorOver: BUD DITCH
18.8 MI E KELBAKER RD, San Bernardino, CA
Built 1930 Load: 11.0 t ADT: 502
SYCAMORE DR
PoorOver: TWIN OAKS VALLEY CREEK
0.17 MI S/O DEER SPRINGS, San Diego, CA
Built 1960 Load: 11.0 t ADT: 1,387
CAMP EDEN ROAD
PoorOver: DUCK LAKE CREEK
CALLAHAN, Siskiyou, CA
Built 1949 Load: 11.0 t ADT: 50
DENNIS DR
PoorOver: SALT CREEK
0.1 MI W LODOGA-STONYFORD, Colusa, CA
Built 1935 Load: 11.3 t ADT: 23
AIRPORT BLVD
PoorOver: BURLINGAME LAGOON
1.3 MI E OF BAYSHORE HWY, San Mateo, CA
Built 1970 Load: 11.3 t ADT: 7,000
KEYES ROAD
PoorOver: T.I.D. MAIN CANAL
0.8 MI W/O HICKMAN RD, Stanislaus, CA
Built 1921 Load: 11.3 t ADT: 2,313
WEAVER RD
PoorOver: CENTRAL MAIN CANAL
20 FT E/O AUSTIN RD, Imperial, CA
Built 1950 Load: 12.0 t ADT: 100
BUCKMAN RD
PoorOver: DUCK CREEK
0.2 MI N OF SR 4, San Joaquin, CA
Built 1931 Load: 12.0 t ADT: 179
ANDERSON ROAD
PoorOver: CCID MAIN CANAL
0.3 MI W STATE RTE 33, Stanislaus, CA
Built 1926 Load: 12.0 t ADT: 333
E RIO BONITO ROAD
PoorOver: SUTTER-BUTTE CANAL
0.8 MI EAST OF SR 99, Butte, CA
Built 1974 Load: 12.3 t ADT: 270
COUNTY ROAD 303
PoorOver: S FK WILLOW CREEK
4.5 MI S OF S.H. 162, Glenn, CA
Built 1929 Load: 12.3 t ADT: 56
MATTOLE RD
PoorOver: MATTOLE RIVER
E OF JCT WILDER RIDGE RD, Humboldt, CA
Built 1920 Load: 12.3 t ADT: 514
Showing 25,901-25,950 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.