St. Francois County Bridge Report Card

St. Francois County scores 66 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D66 / 100

Local infrastructure snapshot

St. Francois County, Missouri

St. Francois County has 165 bridges in the National Bridge Inventory, with 19 rated poor and 1 rated scour-critical. Its poor-condition share of 11.5% is above the 8.8% statewide average. Poor-condition bridges carry about 55,788 daily vehicle crossings.

165Total Bridges

19Poor (11.5%)

90Fair (54.5%)

1Scour-Critical

Quote-Ready Local Facts

11.5%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.

55,788daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives St. Francois County a Bridge Condition Exposure Score of 66/100 (D). The county has 165 bridges in the National Bridge Inventory, including 19 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 55,788 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	11.5%	23.0
Poor-condition traffic exposure	25	8.1% of measured traffic	6.1
Scour-critical bridge share	20	0.6%	1.2
Average age vs national baseline	10	56 years vs 48 nationally	3.4
Traffic-data completeness	5	685,455 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	11.5%
State Poor-Condition Share	8.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.6%
Average Bridge Age	56 years
Poor-Condition Traffic Exposure	55,788 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 67 N over Mo 8 — 17,758 vehicles/day Oldest Listed BridgeEast ST over Trib Of Big Rvr — built in 1900 All County BridgesBrowse every bridge record in St. Francois County.

Top Bridges to Watch in St. Francois County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 67 N over Flat Rvr	Poor condition + traffic exposure	Poor	17,758	1957
US 67 N over Mo 8	Poor condition + traffic exposure	Poor	17,758	1959
RT K E over Big River	Poor condition + traffic exposure	Poor	6,206	1964
ST Joe DR over Flat River CR	Poor condition + traffic exposure	Poor	3,500	1924
Mo 47 S over Three Hill CR	Poor condition + traffic exposure	Poor	3,312	1933
Mo 221 S over Brewers CR	Poor condition + traffic exposure	Poor	3,292	1936
Hillsboro RD over Terre Bleue	Poor condition + traffic exposure	Poor	2,242	1935
Old RTE 8 over Hayden CR	Poor condition + traffic exposure	Poor	500	1950
Old Cadet RD over Cabanna Course CR	Poor condition + traffic exposure	Poor	250	1950
East ST over Trib Of Big Rvr	Poor condition + traffic exposure	Poor	200	1900

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.