Macon County Bridge Report Card

Macon 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

Macon County, Missouri

Macon County has 291 bridges in the National Bridge Inventory, with 20 rated poor and 4 rated scour-critical. Its poor-condition share of 6.9% is at or below the 8.8% statewide average. Poor-condition bridges carry about 15,058 daily vehicle crossings.

291Total Bridges
20Poor (6.9%)
144Fair (49.5%)
4Scour-Critical

Quote-Ready Local Facts

6.9%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.
15,058daily vehicle crossings are on poor-condition bridges in the county.
4bridges are rated scour-critical, or 1.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Macon County a Bridge Condition Exposure Score of 78/100 (C). The county has 291 bridges in the National Bridge Inventory, including 20 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 15,058 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 share406.9%13.7
Poor-condition traffic exposure256.7% of measured traffic5.0
Scour-critical bridge share201.4%2.7
Average age vs national baseline1039 years vs 48 nationally0.0
Traffic-data completeness5224,780 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 Share6.9%
State Poor-Condition Share8.8%
National Poor-Condition Share6.7%
County Scour-Critical Share1.4%
Average Bridge Age39 years
Poor-Condition Traffic Exposure15,058 vehicles/day

Bridges to Watch

Top Bridges to Watch in Macon County

BridgeReasonConditionDaily TrafficYear Built
Old HWY 36 over Mid Fk Chariton RvPoor condition + traffic exposurePoor351925
US 63 S over US 36Poor condition + traffic exposurePoor12,5821971
RT Pp E over Mid Fk Salt RvrPoor condition + traffic exposurePoor8241958
RT J E over E Fk Chariton RvrPoor condition + traffic exposurePoor7901930
RT Uu S over Bnsf RrPoor condition + traffic exposurePoor1601947
RT J E over Mussel FkPoor condition + traffic exposurePoor1271958
Old HWY 36 over Sand BrPoor condition + traffic exposurePoor1001924
Linn ST over Unnamed StrPoor condition + traffic exposurePoor1001938
RT F S over Lit Turkey CRPoor condition + traffic exposurePoor811960
RT Vv S over Bnsf RrPoor condition + traffic exposurePoor641929

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.