Norman County Bridge Report Card

Norman County scores 94 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A94 / 100
Local infrastructure snapshot

Norman County, Minnesota

Norman County has 149 bridges in the National Bridge Inventory, with 4 rated poor and 0 rated scour-critical. Its poor-condition share of 2.7% is at or below the 4.5% statewide average. Poor-condition bridges carry about 246 daily vehicle crossings.

149Total Bridges
4Poor (2.7%)
32Fair (21.5%)
0Scour-Critical

Quote-Ready Local Facts

2.7%of county bridges are in poor condition, compared with 4.5% statewide and 6.7% nationally.
246daily vehicle crossings are on poor-condition bridges in the county.
0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Norman County a Bridge Condition Exposure Score of 94/100 (A). The county has 149 bridges in the National Bridge Inventory, including 4 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 246 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 share402.7%5.4
Poor-condition traffic exposure250.6% of measured traffic0.4
Scour-critical bridge share200.0%0.0
Average age vs national baseline1042 years vs 48 nationally0.0
Traffic-data completeness541,788 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 Share2.7%
State Poor-Condition Share4.5%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age42 years
Poor-Condition Traffic Exposure246 vehicles/day

Bridges to Watch

Top Bridges to Watch in Norman County

BridgeReasonConditionDaily TrafficYear Built
Csah 25 over Red River Of The NorthPoor condition + traffic exposurePoor1751952
CR 113 over Marsh RiverPoor condition + traffic exposurePoor361920
CR 146 over Co Ditch # 18Poor condition + traffic exposurePoor301966
T 258 over Jud Ditch # 53 Lat # 2Poor condition + traffic exposurePoor51961
Mn 9 over Marsh RiverHigh trafficFair1,6501948
Mn 9 over Co Ditch # 37High trafficFair1,6501948
Mn 9 over S Br Wild Rice RiverHigh trafficFair1,6501979
Mn 9 over Wild Rice RiverHigh trafficFair1,6502016
US 75 over Co Ditch # 1High trafficGood1,6371986
Mn 200 over Jud Ditch # 51High trafficFair1,6322001

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.