Chippewa County Bridge Report Card

Chippewa County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D62 / 100
Local infrastructure snapshot

Chippewa County, Michigan

Chippewa County has 112 bridges in the National Bridge Inventory, with 13 rated poor and 6 rated scour-critical. Its poor-condition share of 11.6% is above the 11.0% statewide average. Poor-condition bridges carry about 6,313 daily vehicle crossings.

112Total Bridges
13Poor (11.6%)
73Fair (65.2%)
6Scour-Critical

Quote-Ready Local Facts

11.6%of county bridges are in poor condition, compared with 11.0% statewide and 6.7% nationally.
6,313daily vehicle crossings are on poor-condition bridges in the county.
6bridges are rated scour-critical, or 5.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Chippewa County a Bridge Condition Exposure Score of 62/100 (D). The county has 112 bridges in the National Bridge Inventory, including 13 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 6,313 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share4011.6%23.2
Poor-condition traffic exposure253.8% of measured traffic2.9
Scour-critical bridge share205.4%10.7
Average age vs national baseline1050 years vs 48 nationally1.0
Traffic-data completeness5164,316 measured daily crossings0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share11.6%
State Poor-Condition Share11.0%
National Poor-Condition Share6.7%
County Scour-Critical Share5.4%
Average Bridge Age50 years
Poor-Condition Traffic Exposure6,313 vehicles/day

Bridges to Watch

Top Bridges to Watch in Chippewa County

BridgeReasonConditionDaily TrafficYear Built
Old Mackinac Trail over Pine RiverPoor condition + traffic exposurePoor2161931
Curley Lewis Fh42 over Roxbury CreekPoor condition + traffic exposurePoor831974
12 Mile Road over Charlotte RiverPoor condition + traffic exposurePoor501907
Huckleberry Road over Carp RiverPoor condition + traffic exposurePoor221965
M-129|pickford RD over Fletcher CreekPoor condition + traffic exposurePoor3,3441929
M-28 over Hendrie RiverPoor condition + traffic exposurePoor2,1271960
Mackinac Trail over Chub CreekPoor condition + traffic exposurePoor2161933
Riverside Drive over Little Munuscong RPoor condition + traffic exposurePoor1111977
North Hulbert Road over Tahquamenon RiverPoor condition + traffic exposurePoor541986
East-west RD over Roxbury CreekPoor condition + traffic exposurePoor301947

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.