Contra Costa County, CA

686 public highway bridges

Contra Costa County Bridge Snapshot

Contra Costa County, California contains 686 public highway bridges in the FHWA National Bridge Inventory. Roughly 29.7% are rated “Good,” 26.1% “Fair,” 5.5% “Poor,” and 5.5% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

686
Total Bridges
29.7%
Good
5.5%
Poor
5.5%
Structurally Deficient

Condition Distribution

Good
29.7% (204)
Fair
26.1% (179)
Poor
5.5% (38)
SD
5.5% (38)

All Bridges (686)

OLYMPIC-S680 ON

Fair

Over: LAS TRAMPAS CREEK

04-CC-680-13.72-WLC, Contra Costa, CA

Built 1994 Load: 32.4 t ADT: 10,300

N680-OLYMPIC OFF

Fair

Over: LAS TRAMPAS CREEK

04-CC-680-13.72-WLC, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 25,000

NB SR 242 ON-RAMP

Fair

Over: CONCORD AVENUE

04-CC-242-R1.40-CND, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 5,200

STATE ROUTE 242

Fair

Over: RV STORAGE

04-CC-242-R1.61-CND, Contra Costa, CA

Built 1963 Load: 32.4 t ADT: 80,000

SB SR 242 OFFRAMP

Fair

Over: RV STORAGE

04-CC-242-R1.70-CND, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 18,300

E80-WILLOW OFF&ON

Fair

Over: RODEO CREEK

04-CC-080-10.71, Contra Costa, CA

Built 1958 Load: 32.4 t ADT: 2,250

INTERSTATE 680

Fair

Over: LAUREL DRIVE

04-CC-680-R7.02-DNVL, Contra Costa, CA

Built 1964 Load: 32.4 t ADT: 192,200

W580-CENTRAL OFF

Fair

Over: CENTRAL AVE

04-CC-580-0.14-RCH, Contra Costa, CA

Built 1991 Load: 32.4 t ADT: 4,300

STATE ROUTE 4

Fair

Over: FRANKLIN EQUIP & PIPE UC

04-CC-004-R7.27, Contra Costa, CA

Built 1967 Load: 32.4 t ADT: 55,000

E4-S242 CONNECTOR

Fair

Over: EBMUD SERVICE ROAD

04-CC-004-R14.45-CND, Contra Costa, CA

Built 1978 Load: 32.4 t ADT: 7,500

W580-BAYVIEW OFF

Fair

Over: NONE

04-CC-580-1.07, Contra Costa, CA

Built 1987 Load: 32.4 t ADT: 3,650

INTERSTATE 80 WB

Fair

Over: CARQUINEZ STRAITS, RR

04-CC-080-13.80-VAL, Contra Costa, CA

Built 2003 Load: 32.4 t ADT: 154,000

WATERFRONT-N680 ON

Fair

Over: MARSH WETLANDS

04-CC-680-24.25, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 3,000

WB ROUTE 4

Fair

Over: PRIVATE ACCESS ROAD

04-CC-004-R3.87L-MTZ, Contra Costa, CA

Built 2002 Load: 32.4 t ADT: 10,200

STATE ROUTE 4 WB

Fair

Over: SAND CREEK

04-CC-004-M34.40, Contra Costa, CA

Built 2003 Load: 32.4 t ADT: 23,000

STATE ROUTE 4 WB

Fair

Over: CENTURY BLVD

04-CC-004-25.00-ANT, Contra Costa, CA

Built 2013 Load: 32.4 t ADT: 57,000

STATE ROUTE 4 WB

Fair

Over: BART TRACKS,ACCESS ROAD

04-CC-004-R29.69-ANT, Contra Costa, CA

Built 2016 Load: 32.4 t ADT: 47,000

ONRAMP TO SR 4 EB

Fair

Over: DEER CREEK

04-CC-004-R35.51-BTWD, Contra Costa, CA

Built 2018 Load: 32.4 t ADT: 12,000

WATERFRONT RD

Fair

Over: UP RR, BNSF RY, & AMTRAK

0.8 MI E OF I-680, Contra Costa, CA

Built 1978 Load: 32.4 t ADT: 2,409

SYCAMORE VLY RD

Fair

Over: SAN RAMON CREEK

0.5 MI E OF SH 680, Contra Costa, CA

Built 1965 Load: 32.4 t ADT: 28,237

GLENSIDE DR

Fair

Over: LAS TRAMPAS CREEK

0.1 MI E ST MARY'S ROAD, Contra Costa, CA

Built 1963 Load: 32.4 t ADT: 6,025

BAILEY ROAD

Fair

Over: MOUNT DIABLO CREEK

0.2 MI NE CONCORD BLVD, Contra Costa, CA

Built 2003 Load: 32.4 t ADT: 5,858

IMHOFF ROAD

Fair

Over: GRAYSON CREEK

0.8 MI W SOLANO WAY, Contra Costa, CA

Built 1981 Load: 32.4 t ADT: 1,000

PINOLE VLY RD

Fair

Over: PINOLE CREEK

2.0 MI S/E OF I 80, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 4,000

TASSAJARA ROAD

Fair

Over: TASSAJARA CREEK

1.8 MI N COUNTY LINE, Contra Costa, CA

Built 1995 Load: 32.4 t ADT: 7,539

MORAGA WAY

Fair

Over: W BRANCH SAN LEANDRO CR

0.25 MI NW CANYON RD, Contra Costa, CA

Built 1954 Load: 32.4 t ADT: 10,000

GLENSIDE DR

Fair

Over: LAS TRAMPAS CREEK

0.1 M E ST MARY'S RD, Contra Costa, CA

Built 1980 Load: 32.4 t ADT: 2,000

BOULEVARD WAY

Fair

Over: LAS TRAMPAS CREEK

0.2 MI N OLYMPIC BLVD, Contra Costa, CA

Built 1978 Load: 32.4 t ADT: 4,840

COUNTRY CLUB DR

Fair

Over: SAN LEANDRO CREEK

0.2 MI W CANYON RD, Contra Costa, CA

Built 1999 Load: 32.4 t ADT: 1,000

JOHNSTON ROAD

Fair

Over: TASSAJARA CREEK

0.4 MI E CAMINO TASSAJARA, Contra Costa, CA

Built 1998 Load: 32.4 t ADT: 644

MINNESOTA AVE

Fair

Over: SAND CREEK

0.4 MI N/O DAINTY ROAD, Contra Costa, CA

Built 1992 Load: 32.4 t ADT: 7,400

BOLLINGER CANYON

Fair

Over: MAIN BRANCH ALAMO CREEK

1 MI E CROW CANYON RD, Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 5,000

JAPONICA WAY

Fair

Over: ALAMO CREEK

1/10 MI E. OF N. MONARCH, Contra Costa, CA

Built 2007 Load: 32.4 t ADT: 1,000

CASABLANCA ROAD

Fair

Over: MAIN BRANCH ALAMO CREEK

.05 MI E OF KNOLLS CREEK., Contra Costa, CA

Built 2006 Load: 32.4 t ADT: 1,000

N. GALE RIDGE RD

Fair

Over: WEST BRANCH ALAMO CREEK

0.1 MI W OF DOUGHERTY RD, Contra Costa, CA

Built 2005 Load: 32.4 t ADT: 2,300

WINDEMERE PARKWAY

Fair

Over: CAMINO TASSAJARA

.2 MI W, CAMINO TASSAJARA, Contra Costa, CA

Built 2007 Load: 32.4 t ADT: 2,000

CLIPPER DRIVE

Fair

Over: FRISK CREEK

0.1 MI EAST OF NEWPORT DR, Contra Costa, CA

Built 1987 Load: 32.4 t ADT: 1,500

NEWPORT DRIVE

Fair

Over: KELLOGG CREEK

0.6 MI NORTH OF SR 4, Contra Costa, CA

Built 1987 Load: 32.4 t ADT: 1,500

DOUGHERTY

Fair

Over: LOWER M. BRANCH ALAMO CR

AT BOLLINGER CANYON RD, Contra Costa, CA

Built 2007 Load: 32.4 t ADT: 100

SHADY WILLOW LANE

Fair

Over: SAND CREEK

0.3 MI N SAND CREEK RD, Contra Costa, CA

Built 2007 Load: 32.4 t ADT: 3,700

TSUSHIMA STREET

Fair

Over: REFUGIO CREEK

AT JOHN MUIR PKWY, Contra Costa, CA

Built 2008 Load: 32.4 t ADT: 1,000

LAUREL ROAD

Fair

Over: MARSH CREEK

488 M. E. MAIN ST./SR-4, Contra Costa, CA

Built 1990 Load: 32.4 t ADT: 4,200

PUTNAM STREET

Fair

Over: WEST ANTIOCH CREEK

AT 'G' STREET, Contra Costa, CA

Built 1973 Load: 32.4 t ADT: 4,490

CHURCH LANE

Fair

Over: WILDCAT CREEK

0.1 MI S SAN PABLO AVE, Contra Costa, CA

Built 1973 Load: 32.4 t ADT: 13,320

GIANT HWY

Fair

Over: RHEAM CREEK

0.1 MI S STANTON AVE, Contra Costa, CA

Built 1993 Load: 32.4 t ADT: 4,220

OAK GROVE RD

Fair

Over: PINE CREEK

AT WALNUT AVE, Contra Costa, CA

Built 1974 Load: 32.4 t ADT: 6,600

SUSANA ST

Fair

Over: ARROYO DEL HAMBRE

AT ESTUDILLO ST, Contra Costa, CA

Built 1987 Load: 32.4 t ADT: 1,876

HIGHLAND ROAD

Fair

Over: TASSAJARA CREEK

AT CAMINO TASSAJARA, Contra Costa, CA

Built 1996 Load: 32.4 t ADT: 3,968

ARBOLADO DRIVE

Fair

Over: PINE CREEK

AT OAK GROVE RD, Contra Costa, CA

Built 1974 Load: 32.4 t ADT: 1,100

EL CERRO BLVD

Fair

Over: SAN RAMON CREEK

0.2 MI E DANVILLE BLVD, Contra Costa, CA

Built 1991 Load: 32.4 t ADT: 14,827

Read our methodology — how this data is sourced, computed, and verified.

Related

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial