Polk County, MN

260 public highway bridges

Polk County Bridge Snapshot

Polk County, Minnesota contains 260 public highway bridges in the FHWA National Bridge Inventory. Roughly 65% are rated “Good,” 31.2% “Fair,” 3.1% “Poor,” and 3.1% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in MN are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

260
Total Bridges
65%
Good
3.1%
Poor
3.1%
Structurally Deficient

Condition Distribution

Good
65% (169)
Fair
31.2% (81)
Poor
3.1% (8)
SD
3.1% (8)

All Bridges (260)

CSAH 20

Good

Over: JUD DITCH # 75

0.7 MI S OF JCT CSAH 23, Polk, MN

Built 1976 Load: 32.4 t ADT: 754

T 185

Good

Over: SAND HILL RIVER

0.9 MI N OF JCT CSAH 1, Polk, MN

Built 2007 Load: 33.0 t ADT: 49

T 410

Good

Over: CO DITCH # 7

0.9 MI N OF JCT CSAH 69, Polk, MN

Built 1995 Load: 35.4 t ADT: 16

T 395

Good

Over: CO DITCH # 44

0.5 MI S OF JCT CSAH 67, Polk, MN

Built 1998 Load: 35.9 t ADT: 4

T 404

Good

Over: BR JUD DITCH 75

0.2 MI N OF JCT CSAH 23, Polk, MN

Built 1998 Load: 35.9 t ADT: 10

T 325

Good

Over: Co Ditch # 2

1.8 MI W OF JCT TH 75, Polk, MN

Built 1999 Load: 35.9 t ADT: 14

T 382

Good

Over: CO DITCH # 2

1.4 MI S OF JCT CSAH 21, Polk, MN

Built 1999 Load: 35.9 t ADT: 23

CSAH 48

Good

Over: CO DITCH # 79

1.8 MI S OF JCT CSAH 47, Polk, MN

Built 1977 Load: 35.9 t ADT: 45

CSAH 5

Good

Over: HILL RIVER

3.7 MI W OF JCT CSAH 6, Polk, MN

Built 1975 Load: 35.9 t ADT: 149

CSAH 63

Good

Over: GRAND MARAIS RIVER

1.8 MI E OF JCT TH 2, Polk, MN

Built 1979 Load: 35.9 t ADT: 63

CSAH 44

Good

Over: W BR CO DITCH # 140

1.4 MI N OF JCT. CSAH 45, Polk, MN

Built 1979 Load: 35.9 t ADT: 115

T 99

Good

Over: STREAM

0.6 MI W OF JCT TH 75, Polk, MN

Built 1980 Load: 35.9 t ADT: 4

T 335

Good

Over: JUD DITCH # 75

0.2 MI E OF JCT CSAH 20, Polk, MN

Built 1984 Load: 35.9 t ADT: 6

T 327

Good

Over: CO DITCH # 66

1.3 MI W OF JCT CSAH 20, Polk, MN

Built 1980 Load: 35.9 t ADT: 1,208

CSAH 27

Good

Over: POPLAR RIVER

2.3 MI NE OF JCT CSAH 6, Polk, MN

Built 1980 Load: 35.9 t ADT: 268

CSAH 48

Good

Over: MAPLE CREEK

1.3 MI N OF JCT CSAH 51, Polk, MN

Built 1981 Load: 35.9 t ADT: 45

T 378

Good

Over: STREAM

1.3 MI S OF JCT CSAH 21, Polk, MN

Built 1980 Load: 35.9 t ADT: 12

T 756

Good

Over: HILL RIVER

0.9 MI S OF JCT CSAH 5, Polk, MN

Built 1981 Load: 35.9 t ADT: 39

CSAH 48

Good

Over: CO DITCH # 15

0.1 MI W OF JCT TH 102, Polk, MN

Built 1985 Load: 35.9 t ADT: 30

T 1008

Good

Over: GRAND MARAIS RIVER

0.6 MI N OF JCT CSAH 17, Polk, MN

Built 1986 Load: 35.9 t ADT: 35

T 221

Good

Over: CO DITCH # 15

0.1 MI S OF JCT CSAH 45, Polk, MN

Built 1988 Load: 35.9 t ADT: 5

T 5052

Good

Over: CO DITCH # 15

0.1 MI N OF JCT CSAH 45, Polk, MN

Built 1988 Load: 35.9 t ADT: 20

T 78

Good

Over: CO DITCH # 106

0.5 MI E OF JCT CSAH 48, Polk, MN

Built 1990 Load: 35.9 t ADT: 5

T 232

Good

Over: BURNHAM CREEK (CD #79)

1.5 MI N OF JCT CSAH 41, Polk, MN

Built 1990 Load: 35.9 t ADT: 5

T 204

Good

Over: CO DITCH # 15

0.1 MI N OF JCT CSAH 45, Polk, MN

Built 1990 Load: 35.9 t ADT: 10

US 59

Good

Over: POPLAR RIVER

4.9 MI N OF ERSKINE, Polk, MN

Built 2013 Load: 36.0 t ADT: 1,700

CSAH 22

Good

Over: JUD DITCH # 1

2.0 MI W OF JCT CSAH 70, Polk, MN

Built 2000 Load: 36.4 t ADT: 221

MN 220

Good

Over: CO DITCH # 2

8.4 MI N OF W JCT TH 2, Polk, MN

Built 2017 Load: 37.3 t ADT: 1,817

MN 220

Good

Over: JUD DITCH # 75

5.6 MI S OF ALVARADO, Polk, MN

Built 2017 Load: 37.3 t ADT: 1,450

CSAH 9

Good

Over: RED RIVER OF THE NORTH

1.3 MI W OF JCT TH 220, Polk, MN

Built 2010 Load: 37.3 t ADT: 1,100

MSAS 119

Good

Over: RED LAKE RIVER

0.3 MI S OF JCT TH 2, Polk, MN

Built 1980 Load: 38.2 t ADT: 7,400

T 424

Good

Over: JUD DITCH # 1

1.0 MI W OF JCT TH 220, Polk, MN

Built 1995 Load: 38.6 t ADT: 9

T 51

Good

Over: SAND HILL RVR IMPR CHAN

0.5 MI NO JCT CSAH 1, Polk, MN

Built 2006 Load: 39.0 t ADT: 1

T 60

Good

Over: SAND HILL RIVER

1.0 MI N OF JCT CSAH 1, Polk, MN

Built 2007 Load: 39.2 t ADT: 49

CR 216

Good

Over: BURNHAM CREEK

1.5 MI E OF JCT CSAH 16, Polk, MN

Built 1997 Load: 39.2 t ADT: 64

T 192

Good

Over: CO DITCH # 9

1.5 MI NW OF JCT CSAH 14, Polk, MN

Built 1995 Load: 39.2 t ADT: 12

T 418

Good

Over: CO DITCH # 2

0.1 MI S OF JCT CSAH 67, Polk, MN

Built 1995 Load: 39.2 t ADT: 49

T 423

Good

Over: CO DITCH # 2

0.1 MI S OF JCT CSAH 67, Polk, MN

Built 1997 Load: 39.2 t ADT: 4

T 53

Good

Over: SAND HILL RIVER

1.1 MI S OF JCT CSAH 1, Polk, MN

Built 1997 Load: 39.2 t ADT: 15

T 44

Good

Over: SAND HILL RIVER

2.6 MI E OF JCT CSAH 44, Polk, MN

Built 1997 Load: 39.2 t ADT: 26

T 188

Good

Over: BURNHAM CREEK

1.7 MI N OF JCT TH 75, Polk, MN

Built 1998 Load: 39.2 t ADT: 1

T 622

Good

Over: Hill River

0.2 mi W of jct CR 203, Polk, MN

Built 2002 Load: 39.2 t ADT: 45

CSAH 45

Good

Over: BURNHAM CREEK

0.1 MI W OF JCT TH 102, Polk, MN

Built 2000 Load: 39.2 t ADT: 50

CSAH 17

Good

Over: Grand Marais Creek

2.6 mi E of jct TH 2, Polk, MN

Built 2002 Load: 39.2 t ADT: 800

T 99

Good

Over: BURNHAM CREEK

0.4 MI E OF JCT TH 75, Polk, MN

Built 1998 Load: 39.2 t ADT: 25

T 772

Good

Over: SAND HILL RIVER

0.9 MI S OF JCT CSAH 1, Polk, MN

Built 1998 Load: 39.2 t ADT: 36

T 735

Good

Over: HILL RIVER

2.0 MI NW OF JCT CSAH 6, Polk, MN

Built 1998 Load: 39.2 t ADT: 40

T 641

Good

Over: POPLAR RIVER

0.4 MI E OF JCT TH 59, Polk, MN

Built 1999 Load: 39.2 t ADT: 12

T 861

Good

Over: MAPLE CREEK

0.5 MI S OF JCT CSAH 51, Polk, MN

Built 1999 Load: 39.2 t ADT: 12

T 413

Good

Over: CO DITCH # 2

0.1 MI S OF JCT CSAH 67, Polk, MN

Built 1999 Load: 39.2 t ADT: 10

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial