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
INTERSTATE 5
GoodOver: CREEKSIDE ROAD
02-SHA-005-59.97, Shasta, CA
Built 1962 Load: 31.1 t ADT: 17,100
INTERSTATE 5
GoodOver: CONANT ROAD
02-SHA-005-60.51, Shasta, CA
Built 1962 Load: 31.1 t ADT: 17,100
INTERSTATE 80 WB
GoodOver: OLD DAVIS ROAD
04-SOL-080-R43.50, Solano, CA
Built 1974 Load: 31.1 t ADT: 62,500
INTERSTATE 80 EB
GoodOver: OLD DAVIS ROAD
04-SOL-080-R43.50, Solano, CA
Built 1974 Load: 31.1 t ADT: 61,500
ROCKVILLE ROAD
GoodOver: SUISUN CREEK
0.5 MI E OF SUISUN VAL RD, Solano, CA
Built 1966 Load: 31.1 t ADT: 9,822
N DUTTON AVE
GoodOver: SANTA ROSA CREEK
DUTTON AVE, Sonoma, CA
Built 1973 Load: 31.1 t ADT: 22,000
INTERSTATE 5 SB
GoodOver: WILLOW CREEK
02-TEH-005-R19.28, Tehama, CA
Built 1965 Load: 31.1 t ADT: 14,000
INTERSTATE 5 NB
GoodOver: WILLOW CREEK
02-TEH-005-R19.28, Tehama, CA
Built 1965 Load: 31.1 t ADT: 14,000
HYAMPOM ROAD
GoodOver: HAYFORK CREEK
23.2 MI WEST OF SR 3, Trinity, CA
Built 1978 Load: 31.1 t ADT: 330
AVE 384
GoodOver: TRAVER CANAL
AT ROAD 48, Tulare, CA
Built 1961 Load: 31.1 t ADT: 1,230
ROAD M99
GoodOver: BRUSH CREEK
4.81 MI SE OF MSO, Tulare, CA
Built 1940 Load: 31.1 t ADT: 850
AVENUE 304
GoodOver: DEEP CREEK
0.25 MI E OF RD 184, Tulare, CA
Built 1949 Load: 31.1 t ADT: 220
STATE ROUTE 33
GoodOver: SHELL ROAD
07-VEN-033-2.65, Ventura, CA
Built 1956 Load: 31.1 t ADT: 20,000
STATE ROUTE 33
GoodOver: HILLSIDE
07-VEN-033-55.61, Ventura, CA
Built 1984 Load: 31.1 t ADT: 290
7 MILE ROAD
GoodOver: EDGAR SLOUGH
JUST S NELSON RD, Butte, CA
Built 1965 Load: 31.4 t ADT: 184
EUCLID AVENUE
GoodOver: CONTRA COSTA CANAL
AT 6TH ST, E OF SR 242, Contra Costa, CA
Built 2003 Load: 31.4 t ADT: 1,000
ROAD V
GoodOver: CENTRAL IRRIGATION CANAL
0.6 MI N RD 34, Glenn, CA
Built 1950 Load: 31.4 t ADT: 303
U.S. HIGHWAY 101
GoodOver: REDWOOD CREEK OVERFLOW
01-HUM-101-120.02, Humboldt, CA
Built 1950 Load: 31.4 t ADT: 3,750
STATE ROUTE 58
GoodOver: KEENE ROAD
09-KER-058-82.06, Kern, CA
Built 1962 Load: 31.4 t ADT: 42,400
COFFEE ROAD SB
GoodOver: CROSS VALLEY CANAL
06-KER-058-R48.52-BKD, Kern, CA
Built 1992 Load: 31.4 t ADT: 40,900
STATE ROUTE 41 NB
GoodOver: SOUTH FORK KINGS RIVER
06-KIN-041-R45.54, Kings, CA
Built 1956 Load: 31.4 t ADT: 8,800
W134-E2 CONNECTOR
GoodOver: HOLLY DR
07-LA-134-R9.04-GNDL, Los Angeles, CA
Built 1978 Load: 31.4 t ADT: 3,850
VINCENT AVE
GoodOver: WALNUT CRK
0.3MI S/O I-10 FWY, Los Angeles, CA
Built 1960 Load: 31.4 t ADT: 30,995
WISTARIA AVE
GoodOver: ARCADIA WASH
0.1MI E/O EL MONTE AVE, Los Angeles, CA
Built 1955 Load: 31.4 t ADT: 816
WEBER ST
GoodOver: SAN JOSE CRK
0.5MI N/O HOLT AVE, Los Angeles, CA
Built 1964 Load: 31.4 t ADT: 1,530
HEARST-WILLITS RD
GoodOver: SALT CREEK
4.4 MI NE JCT TOMKI RD, Mendocino, CA
Built 1970 Load: 31.4 t ADT: 108
STATE ROUTE 140
GoodOver: LOS BANOS CREEK
10-MER-140-10.31, Merced, CA
Built 1947 Load: 31.4 t ADT: 3,650
HUSMAN RD
GoodOver: CCID MAIN CANAL
1.0 MI E HWY 33, Merced, CA
Built 1960 Load: 31.4 t ADT: 250
US HIGHWAY 101 SB
GoodOver: SAN LORENZO CREEK
05-MON-101-R40.42, Monterey, CA
Built 1968 Load: 31.4 t ADT: 7,950
INTERSTATE 80
GoodOver: MINERS RAVINE
03-PLA-080-2.88-RSV, Placer, CA
Built 1954 Load: 31.4 t ADT: 155,000
INTERSTATE 15 NB
GoodOver: SANTA GERTRUDIS CREEK
08-RIV-015-6.73-TMCA, Riverside, CA
Built 1968 Load: 31.4 t ADT: 182,000
INTERSTATE 10 WB
GoodOver: EAST COTTON GULCH
08-RIV-010-R80.65, Riverside, CA
Built 1965 Load: 31.4 t ADT: 11,250
INTERSTATE 10 EB
GoodOver: ACARI DITCH
08-RIV-010-R122.15, Riverside, CA
Built 1966 Load: 31.4 t ADT: 10,700
INTERSTATE 10
GoodOver: ARCO DITCH
08-RIV-010-R126.97, Riverside, CA
Built 1966 Load: 31.4 t ADT: 10,700
STATE ROUTE 79
GoodOver: SAN JACINTO RIVER
08-RIV-079-M32.76, Riverside, CA
Built 1994 Load: 31.4 t ADT: 27,030
STATE ROUTE 99 NB
GoodOver: NORTH CHANNEL DRY CREEK
03-SAC-099-0.13-GAL, Sacramento, CA
Built 1955 Load: 31.4 t ADT: 29,500
STATE ROUTE 99
GoodOver: ELDER CREEK
03-SAC-099-18.05-SAC, Sacramento, CA
Built 1959 Load: 31.4 t ADT: 161,000
FOLSOM BOULEVARD
GoodOver: WILLOW CREEK
AT WOODMERE DR, Sacramento, CA
Built 1967 Load: 31.4 t ADT: 30,000
INTERSTATE 15 NB
GoodOver: WHEATON SPRINGS WASH
08-SBD-015-174.71, San Bernardino, CA
Built 1963 Load: 31.4 t ADT: 18,500
HIGHLAND AVE
GoodOver: EAST TWIN CREEK CHANNEL
0.5 MI E WATERMAN AVE, San Bernardino, CA
Built 1961 Load: 31.4 t ADT: 23,460
STATE ROUTE 76
GoodOver: GOMEZ CREEK
11-SD-076-22.23, San Diego, CA
Built 1952 Load: 31.4 t ADT: 11,800
US HIGHWAY 101 SB
GoodOver: UP RR, AMTRAK, SPRING ST
05-SLO-101-58.76-PSRS, San Luis Obispo, CA
Built 1958 Load: 31.4 t ADT: 11,500
US HIGHWAY 101 NB
GoodOver: UP RR, AMTRAK, SPRING ST
05-SLO-101-58.76-PSRS, San Luis Obispo, CA
Built 1958 Load: 31.4 t ADT: 11,500
SHIRRELL WAY
GoodOver: LAS VEGAS CREEK
0.2 MI W FAIRVIEW AVE, Santa Barbara, CA
Built 1985 Load: 31.4 t ADT: 4,419
PRUNERIDGE AVE
GoodOver: SARATOGA CREEK
E OF LAWRENCE EXPWY, Santa Clara, CA
Built 1962 Load: 31.4 t ADT: 11,560
STATE ROUTE 17 NB
GoodOver: LA MADRONA DRIVE
05-SCR-017-1.38, Santa Cruz, CA
Built 1960 Load: 31.4 t ADT: 32,500
INTERSTATE 5
GoodOver: NORTH STREET
02-SHA-005-R5.64-AND, Shasta, CA
Built 1966 Load: 31.4 t ADT: 39,000
INTERSTATE 5 NB
GoodOver: ANTLER ROAD
02-SHA-005-R41.05, Shasta, CA
Built 1972 Load: 31.4 t ADT: 8,600
PLATINA RD
GoodOver: DUNCAN CREEK
PM 11.35 MI E SR 36, Shasta, CA
Built 1975 Load: 31.4 t ADT: 233
WILLOW CREEK RD
GoodOver: WILLOW CREEK
0.3 MI W OF SYLVA RD, Siskiyou, CA
Built 1968 Load: 31.4 t ADT: 41
Showing 19,801-19,850 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.