Bayfield County, WI

103 public highway bridges

Bayfield County Bridge Snapshot

Bayfield County, Wisconsin contains 103 public highway bridges in the FHWA National Bridge Inventory. Roughly 56.3% are rated “Good,” 38.8% “Fair,” 4.9% “Poor,” and 4.9% 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 WI 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.

103
Total Bridges
56.3%
Good
4.9%
Poor
4.9%
Structurally Deficient

Condition Distribution

Good
56.3% (58)
Fair
38.8% (40)
Poor
4.9% (5)
SD
4.9% (5)

All Bridges (103)

STH 13

Poor

Over: SAND RIVER

2.6M N JCT CTH K TO E, Bayfield, WI

Built 1956 Load: 32.4 t ADT: 880

LRD EVERGREEN RD

Poor

Over: KOLIN CREEK

2.6M W JCT CTH A, Bayfield, WI

Built 1950 Load: 37.3 t ADT: 65

CTH H

Structurally Deficient

Over: EAGLE LAKE

6.0M S JCT USH 2, Bayfield, WI

Built 1955 Load: 24.3 t ADT: 431

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