McDonald County Bridge Report Card

McDonald County scores 67 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D67 / 100

Local infrastructure snapshot

McDonald County, Missouri

McDonald County has 145 bridges in the National Bridge Inventory, with 18 rated poor and 1 rated scour-critical. Its poor-condition share of 12.4% is above the 8.8% statewide average. Poor-condition bridges carry about 28,130 daily vehicle crossings.

145Total Bridges

18Poor (12.4%)

93Fair (64.1%)

1Scour-Critical

Quote-Ready Local Facts

12.4%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.

28,130daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McDonald County a Bridge Condition Exposure Score of 67/100 (D). The county has 145 bridges in the National Bridge Inventory, including 18 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 28,130 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	12.4%	24.8
Poor-condition traffic exposure	25	7.7% of measured traffic	5.8
Scour-critical bridge share	20	0.7%	1.4
Average age vs national baseline	10	49 years vs 48 nationally	0.6
Traffic-data completeness	5	365,931 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	12.4%
State Poor-Condition Share	8.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.7%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	28,130 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIs 49 N over Sugar Fk CR — 8,053 vehicles/day Oldest Listed BridgeMo 59 N over Kelly Springs Br — built in 1923 All County BridgesBrowse every bridge record in McDonald County.

Top Bridges to Watch in McDonald County

Bridge	Reason	Condition	Daily Traffic	Year Built
Woodchuck RD over S Indian CR	Poor condition + traffic exposure	Poor	35	1955
Is 49 N over Sugar Fk CR	Poor condition + traffic exposure	Poor	8,053	1998
Mo 90 E over Yarnell Br	Poor condition + traffic exposure	Poor	4,036	1930
Mo 43 S over Honey CR	Poor condition + traffic exposure	Poor	2,842	1930
RT H E over Mill CR	Poor condition + traffic exposure	Poor	2,404	1963
Mo 76 E over Dry Br	Poor condition + traffic exposure	Poor	2,305	1937
RT E S over Kings CR	Poor condition + traffic exposure	Poor	1,857	1930
Cedar RD over Indian Rvr	Poor condition + traffic exposure	Poor	1,500	1929
RT H E over Goodin Hollow	Poor condition + traffic exposure	Poor	1,356	1963
Mo 43 S over Elk Rvr	Poor condition + traffic exposure	Poor	1,327	1960

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.