Alameda County, CA

800 public highway bridges

Alameda County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Alameda County, California contains 800 public highway bridges. Roughly 15.4% are rated “Good,” 25.6% “Fair,” and 5% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

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

800

Total Bridges

15.4%

Good

25.6%

Fair

5%

Poor Condition

Condition Distribution

Good

15.4% (123)

Fair

25.6% (205)

Poor

5% (40)

All Bridges (800)

Sort:

BARTD

Over: MOWRY AVE

0.1 MI NW/O PARKSIDE DR., Alameda, CA

Built 1968 ADT: 54,228

BARTD

Over: MOWRY AVE

0.1 MI NW/O PARKSIDE DR., Alameda, CA

Built 1968 ADT: 54,228

UP RR

Over: TENNYSON ROAD

0.2 MI W/O WHITMAN ST, Alameda, CA

Built 1968 ADT: 26,415

BARTD

Over: TENNYSON ROAD

0.2 MI W/O MISSION BLVD, Alameda, CA

Built 1968 ADT: 45,462

BARTD

Over: WEST A STREET

0.2 MI W/O MISSION BLVD, Alameda, CA

Built 1968 ADT: 41,127

BARTD

Over: B STREET

0.2 MI W/O MISSION BLVD, Alameda, CA

Built 1968 ADT: 22,076

BARTD

Over: HIGH STREET

AT SAN LEANDRO ST, Alameda, CA

Built 1968 ADT: 17,590

BARTD

Over: FRUITVALE AVE

BTWN SAN LEANDRO & E12TH, Alameda, CA

Built 1968 ADT: 17,147

BUCHANAN ST

Over: UP RR, BNSF RY, & AMTRAK

NEAR I-80, Alameda, CA

Built 1963 ADT: 10,629

BARTD (C5003A)

Over: MACARTHUR BLVD

AT SR 24, Alameda, CA

Built 1968 ADT: 21,491

BARTD (C5003B)

Over: MACARTHUR BLVD

AT SR 24, Alameda, CA

Built 1968 ADT: 21,491

BARTD (C5003C)

Over: MACARTHUR BLVD

AT SR 24, Alameda, CA

Built 1968 ADT: 21,491

BARTD (C5003D)

Over: MACARTHUR BLVD

AT SR 24, Alameda, CA

Built 1968 ADT: 21,491

UP RR,BNSF,ACE

Over: N P STREET

0.1 MI S CHESTNUT ST, Alameda, CA

Built 1974 ADT: 400

UP RR,BNSF,ACE

Over: LIVERMORE AVE

BETW CHESTNUT/RAILROAD, Alameda, CA

Built 1974 ADT: 400

BARTD

Over: LEWELLING BLVD

0.4 MI W/O MISSION BLVD, Alameda, CA

Built 1968 ADT: 24,100

BARTD

Over: SEMINARY AVE

JUST NE/O SAN LEANDRO ST, Alameda, CA

Built 1968 ADT: 11,000

HEGENBERGER ROAD

Over: BARTD, UPRR, SAN LEANDRO

0.4 MI SOUTH OF 66TH AVE, Alameda, CA

Built 1966 ADT: 2,000

UP RR

Over: ORCHARD AVE

0.15 MI SW/O SR 238, Alameda, CA

Built 1970 ADT: 10,106

BARTD

Over: ORCHARD AVE

0.1 MI W/O MISSION BLVD, Alameda, CA

Built 1970 ADT: 14,200

BARTD

Over: 105TH AVE

AT SAN LEANDRO ST, Alameda, CA

Built 1968 ADT: 14,200

WHITMAN ST

Over: HARDER ROAD

HARDER RD, Alameda, CA

Built 1970 ADT: 18,907

UP RR

Over: HARDER ROAD

0.2 MI W/O SR 238, Alameda, CA

Built 1970 ADT: 18,907

BARTD

Over: HARDER RD

0.1 MI W/O MISSION BLVD, Alameda, CA

Built 1970 ADT: 6,610

UP RR & BNSF RY

Over: PASEO PADRE PARKWAY

0.2 MI N/O PERALTA BLVD, Alameda, CA

Built 1975 ADT: 28,500

UP RR

Over: ASHLAND AVE

N/O SR 238, Alameda, CA

Built 1960 ADT: 9,257

BARTD

Over: ASHLAND AVE

0.2 MI N/O 238, Alameda, CA

Built 1960 ADT: 15,500

ELGIN ST

Over: ASHLAND AVE

ELGIN ST & ASHLAND AVE, Alameda, CA

Built 1960 ADT: 6,000

BARTD

Over: 75TH AVE

AT SAN LEANDRO ST, Alameda, CA

Built 1968 ADT: 6,635

BARTD (R3002)

Over: SOLANO AVE

0.3 MI E/O SAN PABLO AVE, Alameda, CA

Built 1968 ADT: 19,700

BARTD (R3002)

Over: MARIN AVE

0.3 MI E/O SAN PABLO AVE, Alameda, CA

Built 1968 ADT: 20,604

BARTD (R3002)

Over: GILMAN STREET

0.2 MI W/O HOPKINS ST, Alameda, CA

Built 1968 ADT: 17,500

BARTD

Over: MARTIN LUTHER KING BLVD

63RD ST, Alameda, CA

Built 1968 ADT: 30,000

BARTD (R3001)

Over: 55TH STREET

AT MLK JR WY, Alameda, CA

Built 1968 ADT: 8,040

BARTD (R3001)

Over: MARTIN LUTHER KING JR WY

ONRAMP RTE 24 NEAR 47TH, Alameda, CA

Built 1968 ADT: 600

BARTD

Over: COLLEGE AVE

AT SR 24, Alameda, CA

Built 1968 ADT: 23,400

BARTD (C3003 A&B)

Over: FOREST STREET

MILES S4, Alameda, CA

Built 1968 ADT: 600

BARTD

Over: HUDSON STREET

CLAREMONT ST, Alameda, CA

Built 1968 ADT: 600

BARTD (C3002)

Over: CLAREMONT STREET

0.1 MI S HUDSON, Alameda, CA

Built 1968 ADT: 2,000

BARTD (C5010)

Over: TELEGRAPH AVE

56TH ST, Alameda, CA

Built 1968 ADT: 2,000

BARTD (C5008)

Over: SHATTUCK AVE

54TH ST, Alameda, CA

Built 1968 ADT: 2,000

BARTD (C5005 A&B)

Over: 45TH STREET

0.1 MI E M L KING JR WAY, Alameda, CA

Built 1968 ADT: 600

BARTD (C5004)

Over: 42ND STREET

0.1 MI E M L KING JR WAY, Alameda, CA

Built 1968 ADT: 600

BARTD

Over: 40TH STREET

0.1 MI E M L LING JR WAY, Alameda, CA

Built 1968 ADT: 600

BARTD (C5001)

Over: 29TH STREET

0.1 MI E M L LING JR WAY, Alameda, CA

Built 1968 ADT: 600

BARTD (C3001)

Over: 27TH STREET

WEST NORTHGATE AVE, Alameda, CA

Built 1968 ADT: 600

BARTD

Over: NORTHGATE AVE

WEST NORTHGATE AVE, Alameda, CA

Built 1968 ADT: 600

BARTD

Over: MARTIN LUTHER KING JR WY

BTWN 4TH & 5TH ST, Alameda, CA

Built 1968 ADT: 1,000

BARTD (M3001)

Over: MARKET STREET

BTWN 4TH & 5TH ST, Alameda, CA

Built 1968 ADT: 600

BARTD (M3001)

Over: 5TH STREET

BTWN MKT ST & FILBERT ST, Alameda, CA

Built 1968 ADT: 1,000

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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Compiled by PlainBridges, Independent data publisher

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.