Carlton County, MN

144 public highway bridges

Carlton County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Carlton County, Minnesota contains 144 public highway bridges. Roughly 45.8% are rated “Good,” 31.9% “Fair,” and 7.6% “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.

144
Total Bridges
45.8%
Good
31.9%
Fair
7.6%
Poor Condition

Condition Distribution

Good
45.8% (66)
Fair
31.9% (46)
Poor
7.6% (11)

All Bridges (144)

T 287

Good

Over: MOOSE HORN RIVER

0.43 MI SW OF CSAH61, Carlton, MN

Built 1978 Load: 35.9 t ADT: 31

MN 23

Good

Over: BNSF RR

15.9 MI NE OF S CO LINE, Carlton, MN

Built 2015 Load: 36.9 t ADT: 1,650

MN 73

Good

Over: KETTLE RIVER

5.0 MI NW OF W JCT TH 27, Carlton, MN

Built 1976 Load: 37.2 t ADT: 1,700

CR 103

Good

Over: SKUNK CREEK

1.5 MI S OF JCT CSAH 6, Carlton, MN

Built 2013 Load: 37.6 t ADT: 63

T 542

Good

Over: LITTLE OTTER CREEK

0.25 MI W JCT CSAH 61, Carlton, MN

Built 2006 Load: 39.0 t ADT: 10

CSAH 22

Good

Over: W BR KETTLE RIVER

0.2 MI S OF JCT CR 129, Carlton, MN

Built 1999 Load: 39.2 t ADT: 95

T 43

Good

Over: MOOSE HORN RIVER

0.1 MI W OF JCT CR 141, Carlton, MN

Built 2003 Load: 39.2 t ADT: 40

T 228

Good

Over: GILLESPIE BROOK

0.9 MI N JCT MN 73, Carlton, MN

Built 2008 Load: 39.2 t ADT: 10

CR 123

Good

Over: KETTLE RIVER

AT JCT CSAH 21, Carlton, MN

Built 2010 Load: 39.2 t ADT: 52

CSAH 6

Good

Over: DEAD MOOSE RIVER

0.9 MI W OF JCT CSAH 22, Carlton, MN

Built 2010 Load: 39.2 t ADT: 45

UT 1105

Good

Over: N FK NEMADJI RIVER

1.7 MI N OF JCT CSAH 8, Carlton, MN

Built 2011 Load: 39.5 t ADT: 45

MN 210

Good

Over: ST LOUIS RIVER

0.9 MI E OF JCT TH 45, Carlton, MN

Built 2012 Load: 39.9 t ADT: 1,641

CSAH 61

Good

Over: MOOSE HORN RIVER

IN BARNUM, Carlton, MN

Built 2000 Load: 40.2 t ADT: 1,501

CSAH 8

Good

Over: STATE LINE CREEK

0.3 MI W OF STATE LINE, Carlton, MN

Built 2020 Load: 40.2 t ADT: 142

T 37

Good

Over: DEAD MOOSE RIVER

0.3 MI W OF JCT TH 73, Carlton, MN

Built 2010 Load: 40.8 t ADT: 49

CR 131

Good

Over: KETTLE RIVER

0.2 MI N OF JCT CR 133, Carlton, MN

Built 1935 Load: 40.8 t ADT: 51

CSAH 11

Good

Over: NEMADJI CREEK

0.8 MI N OF JCT CSAH 8, Carlton, MN

Built 2019 Load: 41.1 t ADT: 166

MN 23

Good

Over: N FK NEMADJI RIVER

9.0 MI NE OF S CO LINE, Carlton, MN

Built 2015 Load: 41.5 t ADT: 757

MN 23

Good

Over: S FK NEMADJI RIVER

7.0 MI NE OF S CO LINE, Carlton, MN

Built 2020 Load: 41.8 t ADT: 757

T 370

Good

Over: MIDWAY RIVER

1.7 MI S OF JCT CSAH 61, Carlton, MN

Built 1985 Load: 43.4 t ADT: 38

CR 144

Good

Over: MOOSE HORN RIVER

0.4 MI N OF JCT CSAH 61, Carlton, MN

Built 2004 Load: 43.7 t ADT: 216

UT 112

Good

Over: JUD DITCH # 2

2.4 MI SW OF JCT TH 210, Carlton, MN

Built 2004 Load: 43.7 t ADT: 10

T 126

Good

Over: TAMARACK RIVER

0.3 MI W OF JCT CSAH 20, Carlton, MN

Built 2023 Load: 43.7 t ADT: 15

MN 210

Good

Over: EMERGENCY OVERFLOW

3.6 MI E OF JCT TH 45, Carlton, MN

Built 2013 Load: 44.4 t ADT: 710

T 1333

Good

Over: LITTLE NET RIVER

1.4 MI E OF JCT CR 145, Carlton, MN

Built 2021 Load: 46.7 t ADT: 25

MSAS 105

Good

Over: S CHAN ST LOUIS RIVER

0.1 MI S OF JCT TH 33, Carlton, MN

Built 1995 Load: 48.2 t ADT: 930

CSAH 8

Good

Over: NET RIVER

IN HOLYOKE, Carlton, MN

Built 2007 Load: 48.3 t ADT: 305

MN 27

Good

Over: KETTLE RIVER

5.4 MI W OF E JCT TH 73, Carlton, MN

Built 2004 Load: 49.0 t ADT: 625

CSAH 61

Good

Over: ST LOUIS RIVER

0.5 MI NE OF TH 35, Carlton, MN

Built 1987 Load: 51.0 t ADT: 4,973

CSAH 1

Good

Over: MIDWAY RIVER

0.3 MI N OF JCT CSAH 61, Carlton, MN

Built 2020 Load: 53.1 t ADT: 2,050

CSAH 6

Good

Over: MOOSE HORN RIVER

0.1 MI E OF JCT CSAH 61, Carlton, MN

Built 2023 Load: 53.5 t ADT: 2,800

MN 23

Good

Over: DEER CREEK

9.5 MI NE OF SO CNTY LINE, Carlton, MN

Built 2020 Load: 58.6 t ADT: 757

CSAH 26

Good

Over: OTTER CREEK

1.2 MI W OF JCT CSAH 3, Carlton, MN

Built 1976 Load: 64.8 t ADT: 1,520

UT 388

Poor

Over: HASTY BROOK

0.7 MI NE OF JCT TH 73, Carlton, MN

Built 1935 Load: 15.7 t ADT: 1

CSAH 4

Poor

Over: KETTLE RIVER

0.4 MI E OF JCT CSAH 21, Carlton, MN

Built 1935 Load: 16.7 t ADT: 278

UT 1103

Poor

Over: DITCH

1.2 MI S OF JCT TH 210, Carlton, MN

Built 1983 Load: 24.7 t ADT: 3

M 1

Poor

Over: TAMARACK RIVER

IN WRIGHT, Carlton, MN

Built 1940 Load: 25.1 t ADT: 180

CSAH 13

Poor

Over: PORTAGE RIVER

0.2 MI S OF JCT CSAH 8, Carlton, MN

Built 1974 Load: 25.9 t ADT: 128

CSAH 12

Poor

Over: KETTLE RIVER

0.4 MI W OF JCT TH 73, Carlton, MN

Built 1964 Load: 26.1 t ADT: 300

CSAH 6

Poor

Over: BLACKHOOF CREEK

3.5 MI E;N OF JCT CSAH 5, Carlton, MN

Built 1918 Load: 26.1 t ADT: 420

CR 138

Poor

Over: MOOSE HORN RIVER

1.6 MI N OF JCT CSAH 8, Carlton, MN

Built 1978 Load: 31.7 t ADT: 164

I 35

Poor

Over: MOOSE HORN RIVER

3.5 MI N OF JCT TH 27, Carlton, MN

Built 1968 Load: 34.6 t ADT: 8,200

I 35

Poor

Over: MOOSE HORN RIVER

3.5 MI N OF JCT TH 27, Carlton, MN

Built 1968 Load: 34.6 t ADT: 8,200

CSAH 1

Poor

Over: MP; L CANAL

0.6 MI E OF JCT TH 210, Carlton, MN

Built 1976 Load: 37.2 t ADT: 1,006

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

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.