Marshall County Bridge Report Card

Marshall County scores 93 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A93 / 100

Local infrastructure snapshot

Marshall County, Minnesota

Marshall County has 214 bridges in the National Bridge Inventory, with 3 rated poor and 4 rated scour-critical. Its poor-condition share of 1.4% is at or below the 4.5% statewide average. Poor-condition bridges carry about 521 daily vehicle crossings.

214Total Bridges

3Poor (1.4%)

60Fair (28.0%)

4Scour-Critical

Quote-Ready Local Facts

1.4%of county bridges are in poor condition, compared with 4.5% statewide and 6.7% nationally.

521daily vehicle crossings are on poor-condition bridges in the county.

4bridges are rated scour-critical, or 1.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Marshall County a Bridge Condition Exposure Score of 93/100 (A). The county has 214 bridges in the National Bridge Inventory, including 3 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 521 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	1.4%	2.8
Poor-condition traffic exposure	25	1.0% of measured traffic	0.8
Scour-critical bridge share	20	1.9%	3.7
Average age vs national baseline	10	37 years vs 48 nationally	0.0
Traffic-data completeness	5	51,977 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	1.4%
State Poor-Condition Share	4.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.9%
Average Bridge Age	37 years
Poor-Condition Traffic Exposure	521 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCsah 60 over Middle River — 480 vehicles/day Oldest Listed BridgeMn 1 over Stream — built in 1930 All County BridgesBrowse every bridge record in Marshall County.

Top Bridges to Watch in Marshall County

Bridge	Reason	Condition	Daily Traffic	Year Built
Csah 60 over Middle River	Poor condition + traffic exposure	Poor	480	1966
T 2 over Snake River	Poor condition + traffic exposure	Poor	35	1984
Service RD over Jud Ditch # 21 Br A	Poor condition + traffic exposure	Poor	6	1997
Csah 1 over Middle River	Scour-critical foundation rating	Fair	220	1972
Csah 28 over Middle River	Scour-critical foundation rating	Fair	160	1970
Csah 33 over Middle River	Scour-critical foundation rating	Good	35	1980
CR 115 over Middle River	Scour-critical foundation rating	Good	25	1987
US 75 over Snake River	High traffic	Good	3,150	1996
Mn 32 over Middle River	High traffic	Fair	2,300	1977
US 59 over Middle River	High traffic	Good	1,950	2020

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.