Mahnomen County, MN

40 public highway bridges

Mahnomen County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mahnomen County, Minnesota contains 40 public highway bridges. Roughly 67.5% are rated “Good,” 27.5% “Fair,” and 5% “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.

40
Total Bridges
67.5%
Good
27.5%
Fair
5%
Poor Condition

Condition Distribution

Good
67.5% (27)
Fair
27.5% (11)
Poor
5% (2)

All Bridges (40)

CSAH 11

Fair

Over: WHITE EARTH RIVER

0.7 MI E OF JCT TH 59, Mahnomen, MN

Built 1966 Load: 20.0 t ADT: 335

CSAH 4

Fair

Over: WILD RICE RIVER

0.6 MI S OF JCT CSAH 14, Mahnomen, MN

Built 1981 Load: 25.8 t ADT: 310

CR 130

Fair

Over: MARSH CREEK

2.1 MI W OF JCT TH 59, Mahnomen, MN

Built 1976 Load: 27.1 t ADT: 30

CR 113

Fair

Over: WHITE EARTH RIVER

1.4 MI NE OF JCT TH 113, Mahnomen, MN

Built 1977 Load: 29.4 t ADT: 70

T 39

Fair

Over: MARSH CREEK (CD #91-91A)

0.9 MI W OF JCT TH 59, Mahnomen, MN

Built 1985 Load: 29.4 t ADT: 25

CSAH 7

Fair

Over: SAND HILL RIVER

2.2 MI N OF JCT CSAH 1, Mahnomen, MN

Built 1966 Load: 30.8 t ADT: 50

T 15

Fair

Over: MARSH CREEK (JD # 91)

1.2 MI N OF JCT CSAH 1, Mahnomen, MN

Built 1978 Load: 32.4 t ADT: 7

T 314

Fair

Over: WILD RICE RIVER

2.4 MI S OF JCT CSAH 14, Mahnomen, MN

Built 1984 Load: 32.6 t ADT: 30

CSAH 2

Fair

Over: WILD RICE RIVER

0.8 MI N OF JCT TH200, Mahnomen, MN

Built 1980 Load: 35.6 t ADT: 140

CR 135

Fair

Over: WILD RICE RIVER

0.6 MI N OF JCT TH 200, Mahnomen, MN

Built 1986 Load: 38.9 t ADT: 50

US 59

Fair

Over: WILD RICE RIVER

1.4 MI S OF JCT TH 200, Mahnomen, MN

Built 1979 Load: 53.9 t ADT: 3,950

CSAH 3

Good

Over: WILD RICE RIVER

0.8 MI N OF JCT TH 200, Mahnomen, MN

Built 1973 Load: 22.0 t ADT: 210

T 132

Good

Over: SPRING CREEK

2.2 MI W OF JCT TH 59, Mahnomen, MN

Built 1986 Load: 26.1 t ADT: 15

MN 200

Good

Over: WILD RICE RIVER

0.9 MI E OF JCT TH 59, Mahnomen, MN

Built 1973 Load: 26.5 t ADT: 1,507

MN 113

Good

Over: WHITE EARTH RIVER

6.6 MI E OF WAUBUN, Mahnomen, MN

Built 1977 Load: 29.4 t ADT: 1,093

CSAH 9

Good

Over: MARSH CREEK

1.4 MI E OF JCT CSAH 8, Mahnomen, MN

Built 1976 Load: 29.4 t ADT: 15

CR 121

Good

Over: WHITE EARTH RIVER

0.6 MI E OF JCT CR 125, Mahnomen, MN

Built 1986 Load: 29.4 t ADT: 10

T 100

Good

Over: SPRING CREEK

1.1 MI S OF JCT CSAH 5, Mahnomen, MN

Built 1981 Load: 29.4 t ADT: 25

T 41

Good

Over: MARSH CREEK (CD #91-91A)

0.8 MI W OF JCT TH 59, Mahnomen, MN

Built 1985 Load: 29.4 t ADT: 34

T 83

Good

Over: WHITE EARTH RIVER

0.3 MI E OF JCT CR 125, Mahnomen, MN

Built 1988 Load: 29.4 t ADT: 40

T 243

Good

Over: WHITE EARTH RIVER

2.1 MI SW OF JCT TH 113, Mahnomen, MN

Built 1986 Load: 29.4 t ADT: 55

T 128

Good

Over: WHITE EARTH RIVER

0.1 MI E OF JCT CSAH 13, Mahnomen, MN

Built 1977 Load: 29.4 t ADT: 10

CSAH 25

Good

Over: WHITE EARTH RIVER

0.8 MI S OF JCT TH 200, Mahnomen, MN

Built 1979 Load: 29.4 t ADT: 435

T 75

Good

Over: MARSH CREEK

1.1 MI W OF JCT CSAH 9, Mahnomen, MN

Built 2018 Load: 32.4 t ADT: 40

CSAH 12

Good

Over: WHITE EARTH RIVER

1.4 MI SW OF JCT CSAH 18, Mahnomen, MN

Built 2018 Load: 32.4 t ADT: 20

T 108

Good

Over: WHITE EARTH RIVER

1.2 MI E OF JCT US 59, Mahnomen, MN

Built 2021 Load: 32.4 t ADT: 15

T 128

Good

Over: WHITE EARTH RIVER

0.5 MI E OF JCT CR 113, Mahnomen, MN

Built 2021 Load: 32.4 t ADT: 10

T 102

Good

Over: SPRING CREEK

1.2 MI S OF JCT CSAH 5, Mahnomen, MN

Built 1985 Load: 32.4 t ADT: 15

T 23

Good

Over: MARSH CRK (JD #91;91)

0.8 MI N OF JCT CSAH 1, Mahnomen, MN

Built 1991 Load: 35.9 t ADT: 15

CR 101

Good

Over: WILD RICE RIVER

0.1 MI S OF JCT CSAH 1;1, Mahnomen, MN

Built 1985 Load: 36.0 t ADT: 75

CSAH 25

Good

Over: WILD RICE RIVER

0.4 MI E OF JCT TH 59, Mahnomen, MN

Built 1980 Load: 37.1 t ADT: 435

CR 107

Good

Over: SAND HILL RIVER

2.0 MI W JCT US 59, Mahnomen, MN

Built 2008 Load: 39.2 t ADT: 50

CSAH 6

Good

Over: WHITE EARTH RIVER

1.5 MI E OF JCT TH 59, Mahnomen, MN

Built 1991 Load: 39.2 t ADT: 355

CSAH 10

Good

Over: WILD RICE RIVER

1.4 MI N OF JCT CSAH 5, Mahnomen, MN

Built 2005 Load: 40.2 t ADT: 670

T 22

Good

Over: JD # 91-91A(MARSH CREEK

1.6 MI E OF JCT TH 59, Mahnomen, MN

Built 2005 Load: 40.8 t ADT: 20

MN 200

Good

Over: TWIN LAKES CREEK

11.5 MI E OF JCT US 59, Mahnomen, MN

Built 2022 Load: 41.8 t ADT: 1,213

MN 200

Good

Over: MARSH RIVER

4.3 MI W OF JCT TH 59, Mahnomen, MN

Built 2003 Load: 45.1 t ADT: 849

CR 132

Good

Over: WILD RICE RIVER

0.9 MI S JCT CSAH 14, Mahnomen, MN

Built 2008 Load: 47.7 t ADT: 60

T 76

Poor

Over: MARSH CREEK

0.4 MI W OF JCT CR 136, Mahnomen, MN

Built 1920 Load: 4.7 t ADT: 4

CSAH 5

Poor

Over: WILD RICE RIVER

0.5 MI S OF JCT CSAH 5, Mahnomen, MN

Built 1966 Load: 29.5 t ADT: 150
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.