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
GURR ROAD
GoodOver: SOUTH SLOUGH
0.3 MI N OAK AVENUE, Merced, CA
Built 1930 Load: 32.4 t ADT: 926
LETTEAU AVENUE
GoodOver: LATERAL #6
0.5 MI E OF MERCED AVE, Merced, CA
Built 2009 Load: 32.4 t ADT: 2,712
BRAZO ROAD
GoodOver: NEWMAN WASTEWAY
0.6 MI E CANAL SCHOOL RD, Merced, CA
Built 1968 Load: 32.4 t ADT: 890
CR J18
GoodOver: MERCED RIVER
KELLEY ROAD, Merced, CA
Built 1981 Load: 32.4 t ADT: 1,196
SULTANA DRIVE
GoodOver: UP RR
0.12 MI WEST OF SR 99, Merced, CA
Built 2008 Load: 32.4 t ADT: 11,000
GURR ROAD
GoodOver: BLACK RASCAL CREEK
1.1 KM N OF ROUTE 140, Merced, CA
Built 1996 Load: 32.4 t ADT: 700
BIRD STREET
GoodOver: HAMMATT LATERAL
0.6 MI W CRESY ROAD, Merced, CA
Built 2005 Load: 32.4 t ADT: 200
KAHLON ROAD
GoodOver: DEADMAN CREEK
1.6 MI SE OF LE GRAND RD, Merced, CA
Built 1987 Load: 32.4 t ADT: 200
SILVEIRA WAY
GoodOver: DEADMAN CREEK
1.8 MI SE OF LE GRAND RD, Merced, CA
Built 2015 Load: 32.4 t ADT: 200
MARINO WAY
GoodOver: MARIPOSA CREEK
0.1 MI SE OF MARIPOSA RD, Merced, CA
Built 2015 Load: 32.4 t ADT: 1,000
ATWATER-MER EXPY
GoodOver: ASHBY ROAD "FUTURE"
0.5 MI N OF HWY99, Merced, CA
Built 2017 Load: 32.4 t ADT: 977
GREEN SANDS AVE
GoodOver: CANAL CREEK
0.5 MI E OF BUHACH RD, Merced, CA
Built 2017 Load: 32.4 t ADT: 977
AVENUE TWO
GoodOver: CANAL CREEK
0.1 MI WEST OF GURR ROAD, Merced, CA
Built 2011 Load: 32.4 t ADT: 3,907
ALFALFA AVE
GoodOver: OWENS CREEK
1.0 MI S OF EAST.MISSION, Merced, CA
Built 2007 Load: 32.4 t ADT: 846
WESTSIDE BLVD OH
GoodOver: UP RR TRACKS
0.1 MI NE/O CENTRAL AVE, Merced, CA
Built 2008 Load: 32.4 t ADT: 1,050
SANTA FE AVE
GoodOver: DEADMAN CREEK
1.8 MI S OF LE GRAND, Merced, CA
Built 2015 Load: 32.4 t ADT: 553
DICKENSON FERRY RD
GoodOver: BEAR CREEK
0.05 MI E OF QUINLEY AVE, Merced, CA
Built 2023 Load: 32.4 t ADT: 252
CANAL SCHOOL ROAD
GoodOver: NEWMAN WASTEWAY
0.3 MI N PRESTON ROAD, Merced, CA
Built 2013 Load: 32.4 t ADT: 2,972
WEST YOSEMITE AVE
GoodOver: FAHRENS CREEK
0.2 MI WEST OF R STREET, Merced, CA
Built 2007 Load: 32.4 t ADT: 5,812
R STREET
GoodOver: FAHRENS CREEK
AT PACIFIC DRIVE, Merced, CA
Built 2007 Load: 32.4 t ADT: 5,812
M STREET
GoodOver: COTTONWOOD CREEK
0.2 MI SO. OF CARDELLA RD, Merced, CA
Built 2004 Load: 32.4 t ADT: 5,812
GOVE ROAD
GoodOver: HARTLEY SLOUGH
0.15 MI SO. OF RICE ROAD, Merced, CA
Built 2008 Load: 32.4 t ADT: 500
LA GRANGE ROAD
GoodOver: DRY CREEK
4 MI N MERCED FALLS ROAD, Merced, CA
Built 2021 Load: 32.4 t ADT: 2,000
E HARVEY PETIT RD
GoodOver: DUTCHMAN CREEK
0.5 MI SE OF PLAINSBURG R, Merced, CA
Built 2013 Load: 32.4 t ADT: 300
SOUTH VISTA AVE
GoodOver: DUTCHMAN CREEK
0.8 MI SE OF E SANDY MUSH, Merced, CA
Built 1987 Load: 32.4 t ADT: 200
MORAGA AVE
GoodOver: OUTSIDE CANAL
1.0 MI N OF SR 152, Merced, CA
Built 2018 Load: 32.4 t ADT: 38
TURNER ISLAND RD
GoodOver: WEST DELTA CANAL
0.4 MI S OF HENRY MILLER, Merced, CA
Built 2023 Load: 32.4 t ADT: 1,595
RANCHERS ROAD
GoodOver: FAIRFIELD CANAL
0.5 MI EAST OF LAKE RD, Merced, CA
Built 2005 Load: 32.4 t ADT: 99
SCHOLARS LANE
GoodOver: FAIRFIELD CANAL
0.5 MI EAST OF LAKE RD, Merced, CA
Built 2005 Load: 32.4 t ADT: 99
COTTONWOOD LOOP RD
GoodOver: FAIRFIELD CANAL
0.5 MI EAST ON N LAKE RD, Merced, CA
Built 2020 Load: 32.4 t ADT: 500
STATE ROUTE 299
GoodOver: CLOVERSWALE CREEK
02-MOD-299-27.43, Modoc, CA
Built 1991 Load: 32.4 t ADT: 2,000
STATE ROUTE 299
GoodOver: NORTH FORK ASH CREEK
02-MOD-299-3.38, Modoc, CA
Built 2012 Load: 32.4 t ADT: 1,110
STATE ROUTE 299
GoodOver: CALDWELL CREEK
02-MOD-299-23.34, Modoc, CA
Built 2019 Load: 32.4 t ADT: 1,350
STATE ROUTE 299
GoodOver: BUTTE CREEK
02-MOD-299-0.51, Modoc, CA
Built 2020 Load: 32.4 t ADT: 1,400
STATE ROUTE 299
GoodOver: ASH CREEK
02-MOD-299-1.02, Modoc, CA
Built 2020 Load: 32.4 t ADT: 1,600
CR 90
GoodOver: HALLS CREEK
1.0 MI E C.R. 91, Modoc, CA
Built 1995 Load: 32.4 t ADT: 25
CO RD 69
GoodOver: PIT RIVER
2.7 MI S HWY 299, Modoc, CA
Built 2002 Load: 32.4 t ADT: 19
IRR CO ROAD 90
GoodOver: PIT RIVER
MOD CTY, Modoc, CA
Built 2001 Load: 32.4 t ADT: 25
IRR CO RD 90
GoodOver: PIT RIVER OVERFLOW
0.3 MI EAST OF LOOKOUT RD, Modoc, CA
Built 2001 Load: 32.4 t ADT: 25
JONES LN -CO RD 61
GoodOver: WESTSIDE CANAL
0.7 MI W OF SH 395, Modoc, CA
Built 2013 Load: 32.4 t ADT: 50
COUNTY ROAD 45
GoodOver: PINE CREEK
0.2 MI S OF STATELINE RD, Modoc, CA
Built 2016 Load: 32.4 t ADT: 20
COUNTY ROAD 86
GoodOver: RUSH CREEK
EAST OF STATE ROUTE 299, Modoc, CA
Built 2019 Load: 32.4 t ADT: 100
U.S. HIGHWAY 395
GoodOver: WEST WALKER RIVER
09-MNO-395-96.00, Mono, CA
Built 1987 Load: 32.4 t ADT: 6,950
U.S. HIGHWAY 395
GoodOver: LITTLE WALKER RIVER
09-MNO-395-95.18, Mono, CA
Built 1987 Load: 32.4 t ADT: 6,950
U.S. HIGHWAY 395
GoodOver: LITTLE WALKER RIVER
09-MNO-395-95.40, Mono, CA
Built 1987 Load: 32.4 t ADT: 6,950
U.S. HIGHWAY 395
GoodOver: MILL CREEK
09-MNO-395-107.11, Mono, CA
Built 1964 Load: 32.4 t ADT: 6,950
U.S. HIGHWAY 395
GoodOver: ROADSIDE DRAINAGE DITCH
09-MNO-395-116.34, Mono, CA
Built 1989 Load: 32.4 t ADT: 7,450
U.S. HIGHWAY 395
GoodOver: LOS ANGELES AQUEDUCT
09-MNO-395-R44.21R, Mono, CA
Built 1995 Load: 32.4 t ADT: 4,200
US HIGHWAY 395 SB
GoodOver: RUSH CREEK CHANNEL
09-MNO-395-46.24, Mono, CA
Built 2002 Load: 32.4 t ADT: 4,200
US HIGHWAY 395 NB
GoodOver: RUSH CREEK CHANNEL
09-MNO-395-46.24, Mono, CA
Built 2002 Load: 32.4 t ADT: 4,550
Showing 21,351-21,400 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.