Luce County Bridge Report Card

Luce County scores 54 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F54 / 100
Local infrastructure snapshot

Luce County, Michigan

Luce County has 28 bridges in the National Bridge Inventory, with 4 rated poor and 2 rated scour-critical. Its poor-condition share of 14.3% is above the 11.0% statewide average. Poor-condition bridges carry about 609 daily vehicle crossings.

28Total Bridges
4Poor (14.3%)
13Fair (46.4%)
2Scour-Critical

Quote-Ready Local Facts

14.3%of county bridges are in poor condition, compared with 11.0% statewide and 6.7% nationally.
609daily vehicle crossings are on poor-condition bridges in the county.
2bridges are rated scour-critical, or 7.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Luce County a Bridge Condition Exposure Score of 54/100 (F). The county has 28 bridges in the National Bridge Inventory, including 4 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 609 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 share4014.3%28.6
Poor-condition traffic exposure253.6% of measured traffic2.7
Scour-critical bridge share207.1%14.3
Average age vs national baseline1041 years vs 48 nationally0.0
Traffic-data completeness516,764 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 Share14.3%
State Poor-Condition Share11.0%
National Poor-Condition Share6.7%
County Scour-Critical Share7.1%
Average Bridge Age41 years
Poor-Condition Traffic Exposure609 vehicles/day

Bridges to Watch

Top Bridges to Watch in Luce County

BridgeReasonConditionDaily TrafficYear Built
M-123 over Auger CreekPoor condition + traffic exposurePoor5741937
County Road 421 over Tahquamenon RiverPoor condition + traffic exposurePoor201967
County Road 418 over N Br Two Hearted RiverPoor condition + traffic exposurePoor101935
Silver Creek Road over Silver CreekPoor condition + traffic exposurePoor51970
M-28 over E Br Fox RiverScour-critical foundation ratingFair1,7631989
M-123 over Tahquamenon RiverScour-critical foundation ratingFair1,1621978
M-28 over E Br Teaspoon CreekHigh trafficFair3,7561993
M-28 over E Br Sage RiverHigh trafficFair2,1271959
M-28 over W Br Sage RiverHigh trafficFair2,1272001
Dollarville Road over Teaspoon CreekHigh trafficFair1,7001951

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.