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The average US bridge is 48 years old. That's a lot of birthday candles.

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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.

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Knox County Bridge Conditions & Ratings - Maine | BridgeStats

Home MaineKnox County

Knox County

Maine

Total Bridges

54

Poor Condition

16.7%

Avg Sufficiency

63.0

Avg Age

55 yrs

County Overview

Total Bridges

54

Poor Condition

9(16.7%)

Good or Better

15

Avg Sufficiency

63.0

Average Age

55 yrs

Daily Crossings

125K

All Bridges in Knox County

Showing 1 - 20 of 54 bridges

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ATLANTIC HWY

over ST. George River

Knox County, Maine

Built 1991(35 yr)

AUGUSTA RD

over DAVIS STREAM

Knox County, Maine

Built 1932(94 yr)

BEACHWOOD ST

over OYSTER RIVER

Knox County, Maine

Built 1971(55 yr)

BELFAST RD

over SPRING BROOK

Knox County, Maine

Built 2025(1 yr)

BURKETTVILLE RD

over MEDOMAK RIVER

Knox County, Maine

Built 1937(89 yr)

CAMDEN RD

over ST GEORGE RIVER

Knox County, Maine

Built 1961(65 yr)

CAMDEN RD

over ST GEORGE RIVER

Knox County, Maine

Built 1953(73 yr)

COMMON RD

over ST GEORGE RIVER

Knox County, Maine

Built 1936(90 yr)

DEPOT ST

over ST GEORGE RIVER

Knox County, Maine

Built 1947(79 yr)

FAIRGROUNDS LN

over ST GEORGE RIVER

Knox County, Maine

Built 1923(103 yr)

FERRY RD

over Matinicus Harbor

Knox County, Maine

Built 2012(14 yr)

FERRY SLIP

over Lermond Cove

Knox County, Maine

Built 2008(18 yr)

FITCH RD

over ST GEORGE RIVER

Knox County, Maine

Built 1920(106 yr)

FITCH RD

over JACKSON MILL STR

Knox County, Maine

Built 2020(6 yr)

HEALD HWY

over ST GEORGE RIVER

Knox County, Maine

Built 1960(66 yr)

INV 1301439 RD

over Fox Islands Thoroughfare

Knox County, Maine

Built 2012(14 yr)

ISLAND AV

over TIDE WATER

Knox County, Maine

Built 1971(55 yr)

ISLAND RD

over ATLANTIC OCEAN

Knox County, Maine

Built 2010(16 yr)

JEFFERSON RD

over DAVIS STREAM

Knox County, Maine

Built 1934(92 yr)

KNOWLTON ST

over MEGUNTICOOK RIVER

Knox County, Maine

Built 1935(91 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.