McKenzie County Bridge Report Card

McKenzie County scores 97 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A97 / 100

Local infrastructure snapshot

McKenzie County, North Dakota

McKenzie County has 136 bridges in the National Bridge Inventory, with 1 rated poor and 1 rated scour-critical. Its poor-condition share of 0.7% is at or below the 11.1% statewide average. Poor-condition bridges carry about 20 daily vehicle crossings.

136Total Bridges

1Poor (0.7%)

47Fair (34.6%)

1Scour-Critical

Quote-Ready Local Facts

0.7%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.

20daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McKenzie County a Bridge Condition Exposure Score of 97/100 (A). The county has 136 bridges in the National Bridge Inventory, including 1 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 20 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	0.7%	1.5
Poor-condition traffic exposure	25	0.0% of measured traffic	0.0
Scour-critical bridge share	20	0.7%	1.5
Average age vs national baseline	10	26 years vs 48 nationally	0.0
Traffic-data completeness	5	159,136 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	0.7%
State Poor-Condition Share	11.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.7%
Average Bridge Age	26 years
Poor-Condition Traffic Exposure	20 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCounty Highway over Charbonneau Creek — 20 vehicles/day Oldest Listed BridgeCounty Highway over Irrigation Canal — built in 1946 All County BridgesBrowse every bridge record in McKenzie County.

Top Bridges to Watch in McKenzie County

Bridge	Reason	Condition	Daily Traffic	Year Built
County Highway over Charbonneau Creek	Poor condition + traffic exposure	Poor	20	1962
County Highway over Little Beicegel Creek	Scour-critical foundation rating	Good	120	1988
US Highway 85 over Creek	High traffic	Fair	12,880	2014
US Highway 85 over Creek	High traffic	Fair	12,880	2014
US Highway 85 over Creek	High traffic	Fair	12,880	2014
US Highway 85 over Creek	High traffic	Good	12,880	2014
US Highway 85 over Drain	High traffic	Good	10,545	2016
US Highway 85 over Wildlife Crossing	High traffic	Good	10,545	2017
US Highway 85 over Lonesome Creek	High traffic	Good	9,955	2014
Nd Highway-23a over Cherry Creek	High traffic	Good	7,875	2018

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.