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
STATE ROUTE 99 SB
UnknownOver: FULKERTH ROAD
10-STA-099-R4.54-TUR, Stanislaus, CA
Built 1973 ADT: 18,400
STATE ROUTE 99 NB
UnknownOver: FULKERTH ROAD
10-STA-099-R4.54-TUR, Stanislaus, CA
Built 1973 ADT: 18,400
STATE ROUTE 99 SB
UnknownOver: MONTE VISTA AVE
10-STA-099-R5.64-TUR, Stanislaus, CA
Built 1973 ADT: 16,200
STATE ROUTE 99 NB
UnknownOver: MONTE VISTA AVE
10-STA-099-R5.64-TUR, Stanislaus, CA
Built 1973 ADT: 16,200
STATE ROUTE 99 SB
UnknownOver: TAYLOR RD
10-STA-099-R6.75-TUR, Stanislaus, CA
Built 1973 ADT: 6,600
STATE ROUTE 99 NB
UnknownOver: TAYLOR RD
10-STA-099-R6.75-TUR, Stanislaus, CA
Built 1973 ADT: 6,600
CANAL DR
UnknownOver: STATE ROUTE 99
10-STA-099-R4.01-TUR, Stanislaus, CA
Built 1973 ADT: 79,000
STANDIFORD AVE
UnknownOver: STATE ROUTE 99
10-STA-099-R20.22-MOD, Stanislaus, CA
Built 1976 ADT: 121,000
FAITH HOME ROAD
UnknownOver: ST RTE 99,ROHDE RD,UP RR
10-STA-099-8.69, Stanislaus, CA
Built 1994 ADT: 96,000
PEDESTRIAN WALKWAY
UnknownOver: ROUTE 132 (9TH ST)
10-STA-132-L15.00-MOD, Stanislaus, CA
Built 1986 ADT: 20,000
PELANDALE AVE
UnknownOver: ROUTE 99 ONRAMP OFFRAMPS
10-STA-099-R21.69-MOD, Stanislaus, CA
Built 2015 ADT: 109,000
SB ROUTE 99 ONRAMP
UnknownOver: SB ROUTE 99 OFFRAMP
10-STA-099-R21.76-MOD, Stanislaus, CA
Built 2016 ADT: 18,000
ROUTE 219
UnknownOver: ROUTE 99
10-STA-219-0.30, Stanislaus, CA
Built 2016 ADT: 109,000
WHITMORE AVENUE
UnknownOver: ST RTE 99, RAMP, & UP RR
10-STA-099-R11.92, Stanislaus, CA
Built 2011 ADT: 101,000
N CARPENTER ROAD
UnknownOver: STATE ROUTE 132
10-STA-132-13.40-MOD, Stanislaus, CA
Built 2022 ADT: 11,700
STATE ROUTE 132 WB
UnknownOver: EMERALD AVE
10-STA-132-R13.93-MOD, Stanislaus, CA
Built 2022 ADT: 3,000
STATE ROUTE 132 EB
UnknownOver: EMERALD AVE
10-STA-132-R13.93-MOD, Stanislaus, CA
Built 2022 ADT: 3,000
ROSEMORE AVE
UnknownOver: STATE ROUTE 132
10-STA-132-12.89-MOD, Stanislaus, CA
Built 2022 ADT: 13,200
STATE ROUTE 132
UnknownOver: STATE ROUTE 99, RAMP
10-STA-132-14.67-MOD, Stanislaus, CA
Built 2022 ADT: 145,000
MODESTO SIGN
UnknownOver: I ST ARCH ENTRANCE
NEAR 9TH ST, Stanislaus, CA
Built 1912 ADT: 11,482
GOLDEN STATE BLVD
UnknownOver: UP RR, GOLDEN STATE
0.1 MI N MERCED CO LINE, Stanislaus, CA
Built 1938 ADT: 1,200
PEDESTRIAN POC
UnknownOver: CLAUS ROAD
JUST S/O CREEKWOOD DR, Stanislaus, CA
Built 1991 ADT: 15,000
KANSAS AVE
UnknownOver: 8TH ST, 9TH ST, RR,CANAL
0.5 MI NW SR 132, Stanislaus, CA
Built 2002 ADT: 5,500
PEDESTRIAN
UnknownOver: SYLVAN AVE
0.03 MI E/O MILBROOK AVE, Stanislaus, CA
Built 2008 ADT: 9,500
STATE ROUTE 20
UnknownOver: FEATHER RIVER,K ST,UP RR
03-SUT-020-17.00-YC, Sutter, CA
Built 1947 ADT: 1,300
STATE ROUTE 20
UnknownOver: SUTTER STREET
03-SUT-020-16.84-YC, Sutter, CA
Built 1946 ADT: 1,500
PEASE ROAD
UnknownOver: STATE ROUTE 99
03-SUT-099-R32.64, Sutter, CA
Built 1970 ADT: 19,400
EAGER ROAD
UnknownOver: STATE ROUTE 99
03-SUT-099-R33.95, Sutter, CA
Built 1970 ADT: 17,000
STATE ROUTE 99 SB
UnknownOver: BUTTE HOUSE ROAD
03-SUT-099-R30.88-YC, Sutter, CA
Built 1970 ADT: 1,000
STATE ROUTE 99 NB
UnknownOver: BUTTE HOUSE ROAD
03-SUT-099-R30.88-YC, Sutter, CA
Built 1970 ADT: 1,000
QUEENS AVE
UnknownOver: STATE ROUTE 99
03-SUT-099-R31.31-YC, Sutter, CA
Built 1970 ADT: 29,500
STATE ROUTE 99 SB
UnknownOver: HOWSLEY ROAD
03-SUT-099-5.81, Sutter, CA
Built 1990 ADT: 200
STATE ROUTE 99 NB
UnknownOver: HOWSLEY ROAD
03-SUT-099-5.81, Sutter, CA
Built 1990 ADT: 200
S70-S99 CONNECTOR
UnknownOver: STATE ROUTE 99
03-SUT-070-R0.06, Sutter, CA
Built 1990 ADT: 37,500
CORNELIUS AVENUE
UnknownOver: STATE ROUTE 70
03-SUT-070-5.09, Sutter, CA
Built 2011 ADT: 19,900
MARCUM ROAD
UnknownOver: STATE ROUTE 70
03-SUT-070-2.99, Sutter, CA
Built 2011 ADT: 18,000
NICOLAUS AVENUE
UnknownOver: STATE ROUTE 70
03-SUT-070-4.00, Sutter, CA
Built 2011 ADT: 19,900
WEST RIEGO ROAD
UnknownOver: STATE ROUTE 99
03-SUT-099-0.98, Sutter, CA
Built 2014 ADT: 37,500
STATE ROUTE 113
UnknownOver: STATE ROUTE 99
03-SUT-113-16.35, Sutter, CA
Built 2014 ADT: 15,800
UP RR & BNSF RY
UnknownOver: RIO OSO ROAD
0.6 MI E OF SH 70, Sutter, CA
Built 1927 ADT: 1,366
UP RR & AMTRAK
UnknownOver: INTERSTATE 5
02-TEH-005-R24.90-RBL, Tehama, CA
Built 1964 ADT: 31,000
CHARD AVE
UnknownOver: INTERSTATE 5
02-TEH-005-R18.78, Tehama, CA
Built 1965 ADT: 28,000
SR 36
UnknownOver: INTERSTATE 5
02-TEH-036-41.82-RBL, Tehama, CA
Built 1965 ADT: 31,000
MAIN ST
UnknownOver: INTERSTATE 5
02-TEH-036-L39.92, Tehama, CA
Built 1965 ADT: 36,500
TEHAMA AVE
UnknownOver: INTERSTATE 5
02-TEH-005-R15.98, Tehama, CA
Built 1965 ADT: 29,000
DIAMOND AVE
UnknownOver: INTERSTATE 5
02-TEH-005-R24.94-RBL, Tehama, CA
Built 1964 ADT: 31,000
HOOKER CREEK ROAD
UnknownOver: INTERSTATE 5
02-TEH-005-36.37, Tehama, CA
Built 1963 ADT: 36,500
SUNSET HILLS DRIVE
UnknownOver: INTERSTATE 5
02-TEH-005-38.72, Tehama, CA
Built 1963 ADT: 36,000
JELLYS FERRY ROAD
UnknownOver: INTERSTATE 5
02-TEH-005-32.24, Tehama, CA
Built 1963 ADT: 36,500
WILCOX GOLF ROAD
UnknownOver: INTERSTATE 5
02-TEH-005-31.04, Tehama, CA
Built 1963 ADT: 39,000
Showing 7,301-7,350 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.