Lyon County, MN

222 public highway bridges

Lyon County Bridge Snapshot

Lyon County, Minnesota contains 222 public highway bridges in the FHWA National Bridge Inventory. Roughly 78.4% are rated “Good,” 17.6% “Fair,” 3.2% “Poor,” and 3.2% 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.

222

Total Bridges

78.4%

Good

3.2%

Poor

3.2%

Structurally Deficient

Condition Distribution

Good

78.4% (174)

Fair

17.6% (39)

Poor

3.2% (7)

SD

3.2% (7)

All Bridges (222)

Sort:

US 14

Over: TH 23; BNSF RAIL

AT THE JCT TH 23, Lyon, MN

Built 1987 ADT: 2,632

PEDESTRIAN

Over: TH 23

0.1 MI N OF COLLEGE DR, Lyon, MN

Built 2015 ADT: 6,157

CSAH 10

Over: STREAM

0.4 MI W OF JCT CSAH 3, Lyon, MN

Built 1963 Load: 7.0 t ADT: 445

CSAH 25

Over: REDWOOD RIVER

1.7 MI SW OF JCT CSAH 5, Lyon, MN

Built 1975 Load: 16.3 t ADT: 218

T 95

Over: REDWOOD RIVER

0.5 MI W OF JCT TH 23, Lyon, MN

Built 1974 Load: 19.6 t ADT: 48

CR 60

Over: REDWOOD RIVER

0.7 MI E OF JCT TH 23, Lyon, MN

Built 1956 Load: 21.5 t ADT: 37

T 26

Over: BIG COTTONWOOD RIVER

1.5 MI W OF JCT TH 59, Lyon, MN

Built 1925 Load: 21.9 t ADT: 13

SPR 7

Over: LOW WATER CROSSING

IN CAMDEN STATE PARK, Lyon, MN

Built 2005 Load: 22.7 t ADT: 20

SPR 4

Over: BNSF RR

0.6 MI NW OF JCT TH 23, Lyon, MN

Built 1972 Load: 23.5 t ADT: 150

CSAH 11

Over: BIG COTTONWOOD RIVER

0.6 MI S OF JCT CSAH 2, Lyon, MN

Built 1964 Load: 26.1 t ADT: 960

MN 19

Over: REDWOOD RIVER

0.2 MI NE OF JCT TH 59, Lyon, MN

Built 1931 Load: 26.2 t ADT: 8,800

CSAH 13

Over: S BR YELLOW MEDICINE R

2.3 MI N OF JCT TH 19, Lyon, MN

Built 1967 Load: 26.8 t ADT: 65

CSAH 13

Over: S BR YELLOW MEDICINE R

0.2 MI N OF JCT TH 19, Lyon, MN

Built 1967 Load: 26.8 t ADT: 65

MN 19

Over: REDWOOD R DIVERSION CHAN

1.3 MI SW OF JCT TH 59, Lyon, MN

Built 1962 Load: 27.1 t ADT: 2,900

T 127

Over: S BR YELLOW MEDICINE R

0.8 MI S OF JCT TH 19, Lyon, MN

Built 1925 Load: 28.1 t ADT: 29

T 31

Over: S BR YELLOW MEDICINE R

0.1 MI N OF JCT CSAH 10, Lyon, MN

Built 1958 Load: 28.4 t ADT: 65

CR 74

Over: REDWOOD RIVER

0.2 MI W OF JCT TH 23, Lyon, MN

Built 1969 Load: 29.0 t ADT: 298

US 59

Over: REDWOOD RIVER

ON MAIN ST IN MARSHALL, Lyon, MN

Built 1950 Load: 29.4 t ADT: 9,500

MN 19

Over: REDWOOD RIVER

0.1 MI SW OF JCT 59, Lyon, MN

Built 1975 Load: 29.4 t ADT: 8,300

T 21

Over: BIG COTTONWOOD RIVER

2.7 MI S OF JCT CSAH 2, Lyon, MN

Built 1974 Load: 29.8 t ADT: 21

CSAH 8

Over: THREE MILE CREEK

1.5 MI W OF JCT CSAH 9, Lyon, MN

Built 1962 Load: 30.2 t ADT: 165

US 59

Over: REDWOOD R DIVERSION CHAN

0.5 MI N OF JCT TH 68, Lyon, MN

Built 1962 Load: 30.7 t ADT: 5,200

CSAH 7

Over: STREAM

1.5 MI S OF JCT TH 14, Lyon, MN

Built 1966 Load: 30.8 t ADT: 205

T 302

Over: STREAM

1.1 MI W OF JCT CR 65, Lyon, MN

Built 1974 Load: 30.8 t ADT: 15

CSAH 11

Over: REDWOOD RIVER

0.5 MI S OF JCT CSAH 8, Lyon, MN

Built 1971 Load: 31.2 t ADT: 179

T 176

Over: STREAM

1.5 MI N OF JCT TH 14, Lyon, MN

Built 1969 Load: 31.7 t ADT: 45

CSAH 8

Over: THREE MILE CREEK

0.2 MI W OF JCT CR 65, Lyon, MN

Built 1973 Load: 32.5 t ADT: 435

CR 65

Over: THREE MILE CREEK

0.6 MI N OF JCT CSAH 8, Lyon, MN

Built 1970 Load: 33.1 t ADT: 26

CSAH 9

Over: MEADOW CREEK

0.2 MI S OF JCT CR 72, Lyon, MN

Built 1923 Load: 33.3 t ADT: 451

CR 64

Over: STREAM

0.2 MI E OF JCT CSAH 11, Lyon, MN

Built 1964 Load: 33.5 t ADT: 20

MN 23

Over: REDWOOD RIVER

4.3 MI N OF E JCT TH19, Lyon, MN

Built 1973 Load: 33.7 t ADT: 5,204

MN 23

Over: THREE MILE CREEK

5.9 MI N OF JCT TH 19, Lyon, MN

Built 1973 Load: 34.6 t ADT: 4,677

CSAH 33

Over: BNSF RR

0.6 MI E OF JCT TH 59, Lyon, MN

Built 1983 Load: 34.6 t ADT: 4,014

CR 66

Over: COON CREEK

0.5 MI N OF JCT CR 66, Lyon, MN

Built 1970 Load: 35.1 t ADT: 25

MN 68

Over: REDWOOD R DIVERSION CHAN

0.6 MI NW OF JCT TH 59, Lyon, MN

Built 1962 Load: 36.6 t ADT: 3,810

T 172

Over: THREE MILE CREEK

0.4 MI S OF JCT TH 19, Lyon, MN

Built 1987 Load: 39.2 t ADT: 16

MN 23

Over: REDWOOD RIVER

0.2 MI SW OF JCT TH91, Lyon, MN

Built 1971 Load: 40.4 t ADT: 3,480

MN 19

Over: S BR YELLOW MEDICINE R

13.3 MI W OF MARSHALL, Lyon, MN

Built 1936 Load: 41.2 t ADT: 1,450

MSAS 111

Over: REDWOOD RIVER

0.1 MI W OF JCT TH 19, Lyon, MN

Built 1971 Load: 43.6 t ADT: 3,600

CR 87

Over: THREE MILE CREEK

1.4 MI S OF JCT TH 19, Lyon, MN

Built 1941 Load: 47.0 t ADT: 145

MN 68

Over: S BR YELLOW MEDICINE R

0.5 MI NW OF JCT CSAH 3, Lyon, MN

Built 1962 Load: 52.2 t ADT: 1,528

T 27

Over: COTTONWOOD RIVER

1.9 MI E OF JCT TH 59, Lyon, MN

Built 1978 Load: 20.2 t ADT: 21

CSAH 3

Over: S BR YELLOW MEDICINE R

0.1 MI S OF JCT CSAH 8, Lyon, MN

Built 1991 Load: 20.4 t ADT: 235

T 89

Over: S BR YELLOW MEDICINE R

0.7 MI W OF JCT CSAH 13, Lyon, MN

Built 1980 Load: 21.0 t ADT: 8

CSAH 15

Over: REDWOOD RIVER

0.3 MI N OF JCT TH 23, Lyon, MN

Built 1989 Load: 21.4 t ADT: 530

T 36

Over: COTTONWOOD RIVER

1.5 MI W OF JCT CSAH 11, Lyon, MN

Built 1979 Load: 22.4 t ADT: 35

T 150

Over: S BR YELLOW MEDICINE R

1.1 MI S OF JCT CSAH 8, Lyon, MN

Built 1980 Load: 25.5 t ADT: 33

CR 59

Over: REDWOOD RIVER

0.5 MI W OF JCT TH 23, Lyon, MN

Built 1982 Load: 27.1 t ADT: 200

CSAH 13

Over: REDWOOD RIVER

0.3 MI E OF JCT TH 23, Lyon, MN

Built 1978 Load: 27.8 t ADT: 52

CSAH 26

Over: S BR YELLOW MEDICINE R

0.1 MI W OF JCT CSAH 10, Lyon, MN

Built 1989 Load: 29.0 t ADT: 35

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 5, 2026