Cass County Bridge Report Card

Cass 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

Cass County, Minnesota

Cass County has 85 bridges in the National Bridge Inventory, with 7 rated poor and 2 rated scour-critical. Its poor-condition share of 8.2% is above the 4.5% statewide average. Poor-condition bridges carry about 1,445 daily vehicle crossings.

85Total Bridges

7Poor (8.2%)

38Fair (44.7%)

2Scour-Critical

Quote-Ready Local Facts

8.2%of county bridges are in poor condition, compared with 4.5% statewide and 6.7% nationally.

1,445daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 2.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Cass County a Bridge Condition Exposure Score of 78/100 (C). The county has 85 bridges in the National Bridge Inventory, including 7 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 1,445 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	8.2%	16.5
Poor-condition traffic exposure	25	1.3% of measured traffic	1.0
Scour-critical bridge share	20	2.4%	4.7
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	113,339 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	8.2%
State Poor-Condition Share	4.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.4%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	1,445 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCsah 1 over S Fk Pine River — 920 vehicles/day Oldest Listed BridgeCR 105 over Gull Lake Res. — built in 1913 All County BridgesBrowse every bridge record in Cass County.

Top Bridges to Watch in Cass County

Bridge	Reason	Condition	Daily Traffic	Year Built
CR 103 over Mosquito Creek	Poor condition + traffic exposure	Poor	35	1937
Csah 1 over S Fk Pine River	Poor condition + traffic exposure	Poor	920	1961
Csah 65 over Stream	Poor condition + traffic exposure	Poor	320	1967
Ut 133 over Willow River	Poor condition + traffic exposure	Poor	90	1957
M 58 over Stony Brook	Poor condition + traffic exposure	Poor	50	1972
T 74 over Mayo Creek	Poor condition + traffic exposure	Poor	20	1985
T 82 over Mayo Creek	Poor condition + traffic exposure	Poor	10	1991
Csah 3 over Mississippi River	Scour-critical foundation rating	Fair	265	1979
Mn 210 over Gull River	High traffic	Fair	9,175	1952
Mn 371 over Shingobee River	High traffic	Fair	8,423	1992

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.