Clinton County Bridge Report Card

Clinton County scores 78 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C78 / 100

Local infrastructure snapshot

Clinton County, Missouri

Clinton County has 153 bridges in the National Bridge Inventory, with 12 rated poor and 5 rated scour-critical. Its poor-condition share of 7.8% is at or below the 8.8% statewide average. Poor-condition bridges carry about 320 daily vehicle crossings.

153Total Bridges

12Poor (7.8%)

90Fair (58.8%)

5Scour-Critical

Quote-Ready Local Facts

7.8%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.

320daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 3.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clinton County a Bridge Condition Exposure Score of 78/100 (C). The county has 153 bridges in the National Bridge Inventory, including 12 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 320 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	7.8%	15.7
Poor-condition traffic exposure	25	0.2% of measured traffic	0.2
Scour-critical bridge share	20	3.3%	6.5
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	147,196 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	7.8%
State Poor-Condition Share	8.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	3.3%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	320 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeNE 303rd ST over Deer CR — 50 vehicles/day Oldest Listed BridgeSW 223rd ST over Linn CR — built in 1904 All County BridgesBrowse every bridge record in Clinton County.

Top Bridges to Watch in Clinton County

Bridge	Reason	Condition	Daily Traffic	Year Built
NW 284th ST over Castile CR	Poor condition + traffic exposure	Poor	35	1970
NW 348th RD over Castile CR	Poor condition + traffic exposure	Poor	20	1975
NE 312th ST over Little Smith Creek	Poor condition + traffic exposure	Poor	15	1990
NW Bethany Ch RD over Castile CR	Poor condition + traffic exposure	Poor	15	1991
NE 303rd ST over Deer CR	Poor condition + traffic exposure	Poor	50	1997
SW 200th ST over Dicks CR	Poor condition + traffic exposure	Poor	40	1950
NE 280th ST over Lit Platte Rvr	Poor condition + traffic exposure	Poor	40	1989
NW Bethany Ch RD over Br Of Castile CR	Poor condition + traffic exposure	Poor	35	1989
NE 288th ST over Lit Platte Rvr	Poor condition + traffic exposure	Poor	25	1986
NE 352nd ST over Lit Platte Rvr	Poor condition + traffic exposure	Poor	25	1991

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.