Koochiching County, MN

53 public highway bridges

Koochiching County Bridge Snapshot

Koochiching County, Minnesota contains 53 public highway bridges in the FHWA National Bridge Inventory. Roughly 62.3% are rated “Good,” 32.1% “Fair,” 5.7% “Poor,” and 5.7% 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.

53
Total Bridges
62.3%
Good
5.7%
Poor
5.7%
Structurally Deficient

Condition Distribution

Good
62.3% (33)
Fair
32.1% (17)
Poor
5.7% (3)
SD
5.7% (3)

All Bridges (53)

UT 145

Fair

Over: CROSS RIVER

0.1 MI E OF JCT TH 65, Koochiching, MN

Built 1986 Load: 13.6 t ADT: 1

IRR BIA RTE 5

Fair

Over: NETT LAKE RIVER

3.7 KM NORTH OF HWY 65, Koochiching, MN

Built 1962 Load: 20.9 t ADT: 30

MN 11

Fair

Over: STREAM

1.4 MI E OF S JCT TH 53, Koochiching, MN

Built 1949 Load: 25.5 t ADT: 5,227

SFR 97

Fair

Over: LOST RIVER

7.5 MI E OF W CO LINE, Koochiching, MN

Built 1981 Load: 26.1 t ADT: 1

US 71

Fair

Over: DINNER CREEK

10.7 MI S OF BIG FALLS, Koochiching, MN

Built 1955 Load: 29.4 t ADT: 695

US 71

Fair

Over: BEAR RIVER

12.4 MI SW OF JCT TH 65, Koochiching, MN

Built 1977 Load: 29.4 t ADT: 1,155

CR 119

Fair

Over: E BR RAT ROOT RIVER

1.5 MI NE OF JCT TH 53, Koochiching, MN

Built 1977 Load: 29.4 t ADT: 36

IRR BIA RTE 5

Fair

Over: WOOD DUCK CREEK

10 KM NORTH OF HWY 65, Koochiching, MN

Built 1993 Load: 29.9 t ADT: 20

SFR 89

Fair

Over: CALDWELL BROOK

15.0 MILES NE OF TH 1, Koochiching, MN

Built 1970 Load: 30.7 t ADT: 2

SFR 245

Fair

Over: CALDWELL BROOK

1.4 MI N OF CR 54 (150, Koochiching, MN

Built 1989 Load: 34.0 t ADT: 2

UT 160

Fair

Over: BOISE CASCADE /BEAVER BR

6.0 MI S OF JCT CSAH 29, Koochiching, MN

Built 1989 Load: 35.4 t ADT: 10

UT 198

Fair

Over: BEAVER BROOK

4.6 MI S OF JCT TH 217, Koochiching, MN

Built 1985 Load: 36.1 t ADT: 5

SFR 90

Fair

Over: CALDWELL BROOK

8.7 MI W OF JCT TH 6, Koochiching, MN

Built 1989 Load: 37.9 t ADT: 2

CR 73

Fair

Over: CROSS RIVER

2.5 MI E OF JCT TH 65, Koochiching, MN

Built 1979 Load: 39.2 t ADT: 47

CR 76

Fair

Over: STREAM

1.6 MI E OF JCT TH 65, Koochiching, MN

Built 1981 Load: 39.2 t ADT: 42

CSAH 98

Fair

Over: RAT ROOT RIVER

0.1 MI N OF JCT TH 53, Koochiching, MN

Built 1972 Load: 39.4 t ADT: 110

CR 88

Fair

Over: MC CLOUD CREEK

1.8 MI E OF JCT CR 87, Koochiching, MN

Built 2003 Load: 40.8 t ADT: 8

US 71

Good

Over: BILLY CREEK

2.0 MI SW OF JCT TH 6, Koochiching, MN

Built 1986 Load: 29.4 t ADT: 721

CR 71

Good

Over: CROSS RIVER

0.9 MI E OF JCT TH65, Koochiching, MN

Built 2013 Load: 32.4 t ADT: 5

CR 70

Good

Over: CROSS RIVER

1.0 MI S OF JCT TH 65, Koochiching, MN

Built 2020 Load: 32.4 t ADT: 11

CSAH 8

Good

Over: ESTER BROOK

1.3 MI S OF JCT CR 80, Koochiching, MN

Built 2017 Load: 32.4 t ADT: 27

CSAH 1

Good

Over: BEAR RIVER

0.5 MI W OF JCT CR 81, Koochiching, MN

Built 2021 Load: 32.4 t ADT: 160

MN 65

Good

Over: HAY CREEK

7.9 MI S OF JCT TH 71, Koochiching, MN

Built 2013 Load: 32.4 t ADT: 73

MN 65

Good

Over: PRAIRIE CREEK

11.1 MI N OF COUNTY LINE, Koochiching, MN

Built 2013 Load: 32.4 t ADT: 36

UT 100

Good

Over: BLACK RIVER

0.4 MI S OF JCT CSAH 32, Koochiching, MN

Built 1980 Load: 32.7 t ADT: 1

SFR 90

Good

Over: PLUM CREEK

2.2 MI W OF JCT TH 6, Koochiching, MN

Built 1989 Load: 33.0 t ADT: 2

SFR 98

Good

Over: LITTLE TAMARAC RIVER

0.5 MI E OF CO LINE (150, Koochiching, MN

Built 1989 Load: 34.0 t ADT: 2

SFR 98

Good

Over: LOST RIVER

SW QUARTER OF SEC 17(150, Koochiching, MN

Built 1989 Load: 34.0 t ADT: 2

SFR 62

Good

Over: STREAM

15.9 MI W OF JCT CSAH 32, Koochiching, MN

Built 1987 Load: 34.0 t ADT: 2

CSAH 6

Good

Over: CALDWELL BROOK

0.7 MI S OF JCT CSAH 25, Koochiching, MN

Built 2013 Load: 35.9 t ADT: 175

UT 50

Good

Over: HAY CREEK

0.3 MI S OF JCT CSAH 30, Koochiching, MN

Built 1978 Load: 35.9 t ADT: 3

UT 50

Good

Over: STURGEON RIVER

0.2 MI S OF JCT CSAH 30, Koochiching, MN

Built 1978 Load: 35.9 t ADT: 3

CR 52

Good

Over: CALDWELL BROOK

0.3 MI S OF JCT CSAH 25, Koochiching, MN

Built 1978 Load: 35.9 t ADT: 15

CR 62

Good

Over: REILLY BROOK

3.0 MI NE OF JCT CSAH 5, Koochiching, MN

Built 1979 Load: 35.9 t ADT: 15

CSAH 3

Good

Over: E BR RAT ROOT RIVER

2.7 MI N OF JCT TH 53, Koochiching, MN

Built 1986 Load: 35.9 t ADT: 58

UT 183

Good

Over: BOWERMAN CREEK

0.5 MI W OF TH 6, Koochiching, MN

Built 1989 Load: 36.6 t ADT: 2

UT 367

Good

Over: RAT ROOT RIVER

7 MI S OF US 53, Koochiching, MN

Built 2019 Load: 37.9 t ADT: 1

CR 71

Good

Over: HAY CREEK

0.4 MI W OF JCT TH 65, Koochiching, MN

Built 1978 Load: 39.2 t ADT: 24

CR 72

Good

Over: CROSS RIVER

1.9 MI E OF JCT TH 65, Koochiching, MN

Built 1979 Load: 39.2 t ADT: 78

CR 78

Good

Over: BEAR CREEK

0.6 MI W OF JCT CR 14, Koochiching, MN

Built 1980 Load: 39.2 t ADT: 28

UT 187

Good

Over: E BR RAT ROOT RIVER

0.1 MI S OF JCT CSAH 3, Koochiching, MN

Built 1980 Load: 39.2 t ADT: 1

CR 14

Good

Over: BEAR CREEK

2.1 MI S OF JCT CSAH 1, Koochiching, MN

Built 1981 Load: 39.2 t ADT: 32

CR 77

Good

Over: STREAM

0.4 MI W OF JCT TH 71, Koochiching, MN

Built 1989 Load: 39.2 t ADT: 31

UT 143

Good

Over: ESTER BROOK

0.3 MI W OF JCT CSAH 8, Koochiching, MN

Built 1999 Load: 40.8 t ADT: 18

CR 78

Good

Over: BEAR RIVER

1.0 MI W OF JCT CR 14, Koochiching, MN

Built 1999 Load: 40.8 t ADT: 28

SFR 97

Good

Over: Little Tamarac River

2.3 MI E OF CO LINE, Koochiching, MN

Built 2001 Load: 40.8 t ADT: 10

CR 53

Good

Over: CALDWELL BROOK

2.0 MI S; E OF CSAH 6, Koochiching, MN

Built 2003 Load: 40.8 t ADT: 25

MN 11

Good

Over: WHITEFISH CREEK

0.4 MI N OF FRONTIER, Koochiching, MN

Built 2006 Load: 40.8 t ADT: 548

CR 77

Good

Over: BEAR RIVER

2.3 MI W OF JCT TH 71, Koochiching, MN

Built 1997 Load: 40.8 t ADT: 22

IRR BIA RTE 8

Good

Over: NETT LAKE RIVER

3.5KM N BOISE FORTE TOWER, Koochiching, MN

Built 1935 Load: 53.9 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