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)

MN 33

Unknown

Over: ST LOUIS R, BNSF RR; ST

2.5 MI N OF JCT TH 35, Carlton, MN

Built 1997 ADT: 2,003

MN 33

Unknown

Over: I 35

AT JCT TH 33; TH 35, Carlton, MN

Built 1965 ADT: 19,150

I 35

Unknown

Over: TH 45

AT JCT TH 45; TH 35, Carlton, MN

Built 1965 ADT: 5,443

I 35

Unknown

Over: TH 45

AT JCT TH 45; TH 35, Carlton, MN

Built 1965 ADT: 5,443

MN 73

Unknown

Over: I 35

AT JCT TH 73; TH 35, Carlton, MN

Built 1965 ADT: 16,787

CSAH 13

Unknown

Over: I 35

3.6 MI N OF JCT TH 27, Carlton, MN

Built 1968 ADT: 16,787

CSAH 6

Unknown

Over: I 35

4.6 MI N OF JCT TH 27;, Carlton, MN

Built 1968 ADT: 18,848

CSAH 4

Unknown

Over: I 35

11.2 MI N OF JCT TH 27, Carlton, MN

Built 1968 ADT: 20,057

CSAH 1

Unknown

Over: I 35

8.6 MI SW OF W JCT TH 2, Carlton, MN

Built 1971 ADT: 29,172

I 35

Unknown

Over: CSAH 61

3.5 MI S OF JCT TH 210, Carlton, MN

Built 1965 ADT: 1,050

I 35

Unknown

Over: CSAH 61

3.5 MI S OF JCT TH 210, Carlton, MN

Built 1965 ADT: 1,050

I 35

Unknown

Over: KORBY ROAD

9.7 MI SW OF W JCT TH 2, Carlton, MN

Built 1973 ADT: 107

I 35

Unknown

Over: KORBY ROAD

9.7 MI SW OF W JCT TH 2, Carlton, MN

Built 1973 ADT: 107

CR 151

Unknown

Over: I 35

7.6 MI SW OF W JCT TH 2, Carlton, MN

Built 1971 ADT: 29,172

T 389

Unknown

Over: I 35

6.6 MI SW OF W JCT TH 2, Carlton, MN

Built 1971 ADT: 29,172

CR 138

Unknown

Over: I 35

3.0 MI N OF JCT TH 27, Carlton, MN

Built 1968 ADT: 16,787

I 35

Unknown

Over: TH 27; TRAIL

1.4 MI N OF JCT TH 73, Carlton, MN

Built 1968 ADT: 1,965

I 35

Unknown

Over: TH 27; TRAIL

1.4 MI N OF JCT TH 73, Carlton, MN

Built 1968 ADT: 1,965

CSAH 3

Unknown

Over: I 35;RAMP

0.5 MI N OF JCT TH 33, Carlton, MN

Built 1982 ADT: 19,150

CON 289

Unknown

Over: I 35

0.3 MI N OF JCT TH 33, Carlton, MN

Built 1982 ADT: 19,150

I 35

Unknown

Over: TH 210

AT JCT TH 210, Carlton, MN

Built 1960 ADT: 7,660

T 175

Fair

Over: W BRANCH KETTLE RIVER

0.4 MI S OF JCT CSAH 22, Carlton, MN

Built 2016 Load: 4.9 t ADT: 5

CSAH 61

Fair

Over: MIDWAY RIVER

0.3 MI W OF JCT CSAH 1, Carlton, MN

Built 2000 Load: 19.6 t ADT: 4,973

CSAH 1

Fair

Over: OTTER CREEK

0.2 MI S OF JCT TH 210, Carlton, MN

Built 1953 Load: 22.9 t ADT: 5,938

CR 157

Fair

Over: W FK MOOSE HORN RIVER

3.2 MI S OF JCT CSAH 4, Carlton, MN

Built 1953 Load: 23.9 t ADT: 125

UT 264

Fair

Over: DITCH

0.8 MI S OF JCT TH 210, Carlton, MN

Built 1983 Load: 23.9 t ADT: 56

CSAH 2

Fair

Over: Midway River

2.4 mi E of jct CSAH 1, Carlton, MN

Built 2002 Load: 26.1 t ADT: 2,650

CR 129

Fair

Over: HEIKKILA CREEK

0.9 MI E OF JCT TH 73, Carlton, MN

Built 1998 Load: 26.1 t ADT: 20

MN 73

Fair

Over: MOOSE HORN RIVER

0.6 MI S OF JCT TH 27, Carlton, MN

Built 1987 Load: 26.5 t ADT: 8,030

CSAH 17

Fair

Over: SPLIT ROCK RIVER

0.2 MI S OF JCT TH 27, Carlton, MN

Built 1961 Load: 27.8 t ADT: 89

CR 130

Fair

Over: W BR KETTLE RIVER

0.3 MI S OF JCT CR 129, Carlton, MN

Built 1965 Load: 28.4 t ADT: 35

I 35

Fair

Over: PORTAGE RIVER

1.1 MI N OF JCT TH 73, Carlton, MN

Built 1968 Load: 29.4 t ADT: 16,400

MN 73

Fair

Over: HASTY BROOK

5.3 MI N OF JCT TH 210, Carlton, MN

Built 1923 Load: 29.4 t ADT: 1,700

I 35

Fair

Over: LITTLE OTTER CREEK

2.5 MI S OF JCT TH 210, Carlton, MN

Built 1965 Load: 29.4 t ADT: 9,950

I 35

Fair

Over: LITTLE OTTER CREEK

2.5 MI S OF JCT TH 210, Carlton, MN

Built 1965 Load: 29.4 t ADT: 9,950

CSAH 21

Fair

Over: KETTLE RIVER

0.8 MI N OF JCT CSAH 4, Carlton, MN

Built 1984 Load: 32.3 t ADT: 45

CSAH 5

Fair

Over: LITTLE OTTER CREEK

1.7 MI S OF JCT TH 210, Carlton, MN

Built 1986 Load: 32.4 t ADT: 698

CSAH 4

Fair

Over: MOOSE HORN RIVER

0.2 MI W OF JCT CSAH 61, Carlton, MN

Built 1970 Load: 32.4 t ADT: 814

RESERVATION ROAD

Fair

Over: FOND DU LAC CREEK

8KM NW 135/ MN 33, Carlton, MN

Built 2014 Load: 32.7 t ADT: 290

I 35

Fair

Over: MOOSE HORN RIVER

1.8 MI N OF JCT TH 27, Carlton, MN

Built 1968 Load: 32.7 t ADT: 8,200

I 35

Fair

Over: MOOSE HORN RIVER

1.8 MI N OF JCT TH 27, Carlton, MN

Built 1968 Load: 32.7 t ADT: 8,200

CSAH 8

Fair

Over: N FK NEMADJI RIVER

3.1 MI E OF JCT CSAH 11, Carlton, MN

Built 1996 Load: 32.7 t ADT: 630

T 60

Fair

Over: BLACKHOOF CREEK

0.3 MI E OF JCT CR 104, Carlton, MN

Built 1981 Load: 32.7 t ADT: 23

I 35

Fair

Over: BNSF RR

0.1 MI W OF JCT TH 45, Carlton, MN

Built 1965 Load: 33.0 t ADT: 10,305

I 35

Fair

Over: BNSF RR

0.1 MI W OF JCT TH 45, Carlton, MN

Built 1965 Load: 33.9 t ADT: 10,305

MN 210

Fair

Over: ST LOUIS RIVER

1.0 MI E OF JCT TH 45, Carlton, MN

Built 1961 Load: 34.3 t ADT: 1,641

I 35

Fair

Over: ST LOUIS RIVER

0.3 MI N OF JCT TH 45, Carlton, MN

Built 1971 Load: 34.5 t ADT: 14,250

I 35

Fair

Over: ST LOUIS RIVER

0.3 MI N OF JCT TH 45, Carlton, MN

Built 1971 Load: 34.5 t ADT: 14,250

MN 210

Fair

Over: BNSF RR

0.4 MI W OF JCT TH 45, Carlton, MN

Built 1982 Load: 34.9 t ADT: 3,497

CSAH 22

Fair

Over: W BR KETTLE RIVER

4.4 MI SE OF JCT TH 210, Carlton, MN

Built 1999 Load: 35.9 t ADT: 188
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.