Clinton County Bridge Report Card

Clinton County scores 46 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F46 / 100

Local infrastructure snapshot

Clinton County, Michigan

Clinton County has 215 bridges in the National Bridge Inventory, with 34 rated poor and 40 rated scour-critical. Its poor-condition share of 15.8% is above the 11.0% statewide average. Poor-condition bridges carry about 27,437 daily vehicle crossings.

215Total Bridges

34Poor (15.8%)

153Fair (71.2%)

40Scour-Critical

Quote-Ready Local Facts

15.8%of county bridges are in poor condition, compared with 11.0% statewide and 6.7% nationally.

27,437daily vehicle crossings are on poor-condition bridges in the county.

40bridges are rated scour-critical, or 18.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clinton County a Bridge Condition Exposure Score of 46/100 (F). The county has 215 bridges in the National Bridge Inventory, including 34 in poor condition and 40 rated scour-critical. Poor-condition bridges carry about 27,437 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

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	15.8%	31.6
Poor-condition traffic exposure	25	2.3% of measured traffic	1.7
Scour-critical bridge share	20	18.6%	20.0
Average age vs national baseline	10	50 years vs 48 nationally	1.0
Traffic-data completeness	5	1,190,617 measured daily crossings	0.0

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 Share	15.8%
State Poor-Condition Share	11.0%
National Poor-Condition Share	6.7%
County Scour-Critical Share	18.6%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	27,437 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeClark RD over Br Of Looking Glass Rivr — 4,198 vehicles/day Oldest Listed BridgeKinley Road over S Fork Of Hayworth — built in 1890 All County BridgesBrowse every bridge record in Clinton County.

Top Bridges to Watch in Clinton County

Bridge	Reason	Condition	Daily Traffic	Year Built
Schavey Road over Looking Glass River	Poor condition + traffic exposure	Poor	2,500	1981
Parks Road over Spaulding Extension	Poor condition + traffic exposure	Poor	264	1924
Center Line Road over Kloeckner Creek	Poor condition + traffic exposure	Poor	230	1928
Watson Road over SE Branch Of Maple River	Poor condition + traffic exposure	Poor	212	1914
Centerline Road over Stony Creek	Poor condition + traffic exposure	Poor	183	1922
Center Line Road over Bad Creek	Poor condition + traffic exposure	Poor	183	1968
Williams Road over Spaulding Extension	Poor condition + traffic exposure	Poor	160	1924
Peacock Road over Vermilion Creek	Poor condition + traffic exposure	Poor	152	1928
Walker Road over Maple River	Poor condition + traffic exposure	Poor	133	1986
Taft Road over Stony Creek	Poor condition + traffic exposure	Poor	132	1920

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.