Clark County Bridge Report Card

Clark County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Clark County, Missouri

Clark County has 177 bridges in the National Bridge Inventory, with 13 rated poor and 2 rated scour-critical. Its poor-condition share of 7.3% is at or below the 8.8% statewide average. Poor-condition bridges carry about 4,170 daily vehicle crossings.

177Total Bridges

13Poor (7.3%)

95Fair (53.7%)

2Scour-Critical

Quote-Ready Local Facts

7.3%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.

4,170daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 1.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clark County a Bridge Condition Exposure Score of 81/100 (B). The county has 177 bridges in the National Bridge Inventory, including 13 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 4,170 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	7.3%	14.7
Poor-condition traffic exposure	25	2.5% of measured traffic	1.9
Scour-critical bridge share	20	1.1%	2.3
Average age vs national baseline	10	39 years vs 48 nationally	0.0
Traffic-data completeness	5	165,282 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	7.3%
State Poor-Condition Share	8.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.1%
Average Bridge Age	39 years
Poor-Condition Traffic Exposure	4,170 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 136 E over Drain Dtch — 2,085 vehicles/day Oldest Listed BridgeCounty RD 407 over Big Br Of Honey CR — built in 1900 All County BridgesBrowse every bridge record in Clark County.

Top Bridges to Watch in Clark County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 136 E over Drain Dtch	Poor condition + traffic exposure	Poor	2,085	1968
Mo 81 S over Bnsf Rr	Poor condition + traffic exposure	Poor	923	1938
Mo 81 S over Br Of Honey CR	Poor condition + traffic exposure	Poor	832	1969
County RD 174 over Fox Rvr	Poor condition + traffic exposure	Poor	125	2013
County RD 409 over Honey CR	Poor condition + traffic exposure	Poor	50	1925
County RD 248 over Br Of Wyaconda Rvr	Poor condition + traffic exposure	Poor	35	1930
County RD 331 over Hickory CR	Poor condition + traffic exposure	Poor	35	1930
County RD 208 over Lit Wyaconda Rvr	Poor condition + traffic exposure	Poor	35	1935
County RD 325 over Bear CR	Poor condition + traffic exposure	Poor	20	1910
County RD 045 over Branch	Poor condition + traffic exposure	Poor	15	2007

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.