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
MATTOLE ROAD
GoodOver: INDIAN CREEK
4.5 MI S/O PETROLIA, Humboldt, CA
Built 2010 Load: 32.4 t ADT: 240
RED CAP ROAD
GoodOver: BIG ROCK GULCH
0.3 MILES SW OF SR96, Humboldt, CA
Built 2019 Load: 32.4 t ADT: 425
PORT KENYON ROAD
GoodOver: FRANCIS CREEK
0.5 MI W OF MAIN STREET, Humboldt, CA
Built 2015 Load: 32.4 t ADT: 500
IRR BIA RTE 15
GoodOver: HOSTLER CREEK
3 KM NORTH OF HOOPA, Humboldt, CA
Built 1962 Load: 32.4 t ADT: 200
STATE ROUTE 86 NB
GoodOver: CENTRAL MAIN CANAL
11-IMP-086-17.86, Imperial, CA
Built 1982 Load: 32.4 t ADT: 7,700
STATE ROUTE 115
GoodOver: ALAMO RIVER
11-IMP-115-L10.31-HOLT, Imperial, CA
Built 1955 Load: 32.4 t ADT: 5,400
STATE ROUTE 86 SB
GoodOver: SAN FELIPE CREEK
11-IMP-086-43.30, Imperial, CA
Built 1987 Load: 32.4 t ADT: 6,150
STATE ROUTE 86 SB
GoodOver: TRIFOLIUM/WESTSIDE MAIN
11-IMP-086-R24.79, Imperial, CA
Built 1997 Load: 32.4 t ADT: 5,700
STATE ROUTE 86 NB
GoodOver: TRIFOLIUM/WESTSIDE MAIN
11-IMP-086-R24.77, Imperial, CA
Built 1962 Load: 32.4 t ADT: 5,700
STATE ROUTE 86 SB
GoodOver: TAMARACK (WESTSIDE MAIN)
11-IMP-086-R22.93, Imperial, CA
Built 1998 Load: 32.4 t ADT: 5,700
STATE ROUTE 86 NB
GoodOver: TAMARACK (WESTSIDE MAIN)
11-IMP-086-R22.96, Imperial, CA
Built 1962 Load: 32.4 t ADT: 5,700
STATE ROUTE 86 NB
GoodOver: LONE TREE WASH
11-IMP-086-R37.23, Imperial, CA
Built 1947 Load: 32.4 t ADT: 7,350
STATE ROUTE 86 NB
GoodOver: ZENAS DITCH
11-IMP-086-55.50, Imperial, CA
Built 1959 Load: 32.4 t ADT: 7,550
STATE ROUTE 86 SB
GoodOver: BILOXI DITCH
11-IMP-086-56.36, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: IBERIA DITCH
11-IMP-086-56.60, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: BERSA DITCH
11-IMP-086-60.15, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: TESLA WASH
11-IMP-086-60.47, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: VALERIE WASH
11-IMP-086-60.57, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: VIRGO WASH
11-IMP-086-60.90, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: ASTER DITCH
11-IMP-086-61.24, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: VERBENA DITCH
11-IMP-086-61.37, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: IBYCUS DITCH
11-IMP-086-61.55, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: TALOFA DITCH
11-IMP-086-61.80, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: TONALEE DITCH
11-IMP-086-62.20, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: DAROCA DITCH
11-IMP-086-62.31, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: BEXAR DITCH
11-IMP-086-62.65, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: TORTIF DITCH
11-IMP-086-62.98, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: FOLIUS DITCH
11-IMP-086-63.13, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,100
STATE ROUTE 86 SB
GoodOver: FLORIS DITCH
11-IMP-086-63.21, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,100
STATE ROUTE 86 SB
GoodOver: ENCILIA DITCH
11-IMP-086-63.49, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,300
STATE ROUTE 86 SB
GoodOver: FARINOSA DITCH
11-IMP-086-63.79, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,200
STATE ROUTE 86 SB
GoodOver: CALYX DITCH
11-IMP-086-64.33, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,200
STATE ROUTE 86 SB
GoodOver: PAROSA DITCH
11-IMP-086-65.00, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,200
STATE ROUTE 86 SB
GoodOver: ZANTHE DITCH
11-IMP-086-65.22, Imperial, CA
Built 1990 Load: 32.4 t ADT: 7,200
STATE ROUTE 86 SB
GoodOver: SHORELINE DITCH
11-IMP-086-65.68, Imperial, CA
Built 1989 Load: 32.4 t ADT: 7,200
INTERSTATE 8
GoodOver: SAND HILLS DITCH
11-IMP-008-R83.71, Imperial, CA
Built 1970 Load: 32.4 t ADT: 14,500
INTERSTATE 8
GoodOver: OGILBY DITCH
11-IMP-008-R83.99, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: PACK DITCH
11-IMP-008-R84.40, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: GUSTO DITCH
11-IMP-008-R84.84, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: CERTO DITCH
11-IMP-008-R85.16, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: SHACK DITCH
11-IMP-008-R85.46, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: JACKSON GULCH
11-IMP-008-R85.80, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: BOTTLE DITCH
11-IMP-008-R86.16, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: BERM DITCH
11-IMP-008-R86.66, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: ACME DITCH
11-IMP-008-R87.11, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: PLATE DITCH
11-IMP-008-R87.58, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: TRIANGLE DITCH
11-IMP-008-R88.12, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: SIDEWINDER WASH
11-IMP-008-R89.60, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: DERRICK WASH
11-IMP-008-R89.77, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
INTERSTATE 8
GoodOver: KNOB WASH
11-IMP-008-R89.90, Imperial, CA
Built 1970 Load: 32.4 t ADT: 15,100
Showing 20,451-20,500 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.