McLean County Bridge Report Card

McLean County scores 88 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B88 / 100

Local infrastructure snapshot

McLean County, North Dakota

McLean County has 58 bridges in the National Bridge Inventory, with 2 rated poor and 1 rated scour-critical. Its poor-condition share of 3.4% is at or below the 11.1% statewide average. Poor-condition bridges carry about 75 daily vehicle crossings.

58Total Bridges

2Poor (3.4%)

33Fair (56.9%)

1Scour-Critical

Quote-Ready Local Facts

3.4%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.

75daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 1.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McLean County a Bridge Condition Exposure Score of 88/100 (B). The county has 58 bridges in the National Bridge Inventory, including 2 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 75 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	3.4%	6.9
Poor-condition traffic exposure	25	0.3% of measured traffic	0.2
Scour-critical bridge share	20	1.7%	3.4
Average age vs national baseline	10	52 years vs 48 nationally	1.5
Traffic-data completeness	5	29,715 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	3.4%
State Poor-Condition Share	11.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.7%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	75 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCounty Road over Creek — 50 vehicles/day Oldest Listed BridgeCounty Road over Cp Railway — built in 1928 All County BridgesBrowse every bridge record in McLean County.

Top Bridges to Watch in McLean County

Bridge	Reason	Condition	Daily Traffic	Year Built
County Road over Creek	Poor condition + traffic exposure	Poor	50	1966
County Road over Creek	Poor condition + traffic exposure	Poor	25	1960
County Highway over Turtle Creek	Scour-critical foundation rating	Fair	220	1963
US Highway 83 over Turtle Creek	High traffic	Fair	3,890	1979
US Highway 83 over Cp Railway	High traffic	Good	2,233	1981
US Highway 83 over Cp Railway	High traffic	Good	2,175	1981
US Highway 83 over Cp Railway	High traffic	Fair	1,935	1980
US Highway 83 over Dak Mo Valley/western Rr	High traffic	Fair	1,935	2000
US Highway 83 over Painted Woods Creek	High traffic	Fair	1,930	1980
US Highway 83 over Painted Woods Creek	High traffic	Good	1,930	2000

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.