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Data sourced from the National Bridge Inventory (NBI) maintained by the Federal Highway Administration. BridgeStats is not affiliated with the U.S. government. Data is provided for informational purposes only.

Analyzing deck conditions, superstructure ratings, and bad puns...

Siskiyou County Bridge Conditions & Ratings - California | BridgeStats

Home CaliforniaSiskiyou County

Siskiyou County

California

Total Bridges

425

Poor Condition

5.9%

Avg Sufficiency

62.0

Avg Age

55 yrs

County Overview

Total Bridges

425

Poor Condition

25(5.9%)

Good or Better

244

Avg Sufficiency

62.0

Average Age

55 yrs

Daily Crossings

883K

All Bridges in Siskiyou County

Showing 1 - 20 of 425 bridges

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99-97 CUTOFF

over INTERSTATE 5

Siskiyou County, California

Built 1969(57 yr)

ABRAMS LAKE ROAD

over INTERSTATE 5 SB

Siskiyou County, California

Built 1973(53 yr)

ABRAMS LAKE ROAD

over INTERSTATE 5 NB

Siskiyou County, California

Built 1973(53 yr)

AGER-BESWICH RD

over WILLOW CREEK

Siskiyou County, California

Built 1968(58 yr)

AGER BESWICK RD

over SHOVEL CREEK

Siskiyou County, California

Built 1977(49 yr)

AGER BESWICK ROAD

over BOGUS CREEK

Siskiyou County, California

Built 2002(24 yr)

AGER RD

over BLACK MOUNTAIN GULCH

Siskiyou County, California

Built 1980(46 yr)

AGER RD

over KLAMATH RIVER CORP RR

Siskiyou County, California

Built 1976(50 yr)

AGER ROAD

over OREGON SLOUGH

Siskiyou County, California

Built 1980(46 yr)

ANDERSON GRADE RD

over SHASTA RIVER

Siskiyou County, California

Built 1982(44 yr)

ANDERSON GRADE RD

over YREKA CREEK

Siskiyou County, California

Built 1971(55 yr)

ANTELOPE CK ROAD

over BUTTE CREEK

Siskiyou County, California

Built 1974(52 yr)

AUTO TOUR ROAD

over CANAL TURNOUT

Siskiyou County, California

Built 1963(63 yr)

AZALEA ROAD

over INTERSTATE 5

Siskiyou County, California

Built 1964(62 yr)

BAILEY HILL RD

over HUTTON CREEK

Siskiyou County, California

Built 1915(111 yr)

BAILEY HILL ROAD

over INTERSTATE 5

Siskiyou County, California

Built 1974(52 yr)

BAL MT & SHA RIV R

over LITTLE SHASTA RIVER

Siskiyou County, California

Built 1988(38 yr)

BARKHOUSE CREEK RD

over BARKHOUSE CREEK

Siskiyou County, California

Built 1998(28 yr)

BAR ROAD

over KLAMATH RIVER

Siskiyou County, California

Built 1998(28 yr)

BARTLE GAP

over MOOSEHEAD CREEK

Siskiyou County, California

Built 1985(41 yr)

...

Data sourced from the Federal Highway Administration's National Bridge Inventory (NBI). Last updated 2024. BridgeStats is not affiliated with or endorsed by the FHWA.