Ransom County Bridge Report Card

Ransom County scores 63 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D63 / 100

Local infrastructure snapshot

Ransom County, North Dakota

Ransom County has 35 bridges in the National Bridge Inventory, with 4 rated poor and 2 rated scour-critical. Its poor-condition share of 11.4% is above the 11.1% statewide average. Poor-condition bridges carry about 96 daily vehicle crossings.

35Total Bridges

4Poor (11.4%)

11Fair (31.4%)

2Scour-Critical

Quote-Ready Local Facts

11.4%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.

96daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 5.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Ransom County a Bridge Condition Exposure Score of 63/100 (D). The county has 35 bridges in the National Bridge Inventory, including 4 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 96 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	11.4%	22.9
Poor-condition traffic exposure	25	0.5% of measured traffic	0.4
Scour-critical bridge share	20	5.7%	11.4
Average age vs national baseline	10	54 years vs 48 nationally	2.5
Traffic-data completeness	5	20,005 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	11.4%
State Poor-Condition Share	11.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	5.7%
Average Bridge Age	54 years
Poor-Condition Traffic Exposure	96 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCounty Highway over Sheyenne River — 24 vehicles/day Oldest Listed BridgeCounty Highway over Sheyenne River — built in 1907 All County BridgesBrowse every bridge record in Ransom County.

Top Bridges to Watch in Ransom County

Bridge	Reason	Condition	Daily Traffic	Year Built
County Highway over Sheyenne River	Poor condition + traffic exposure	Poor	24	1907
County Highway over Sheyenne River	Poor condition + traffic exposure	Poor	24	1915
County Highway over Sheyenne River	Poor condition + traffic exposure	Poor	24	1915
County Highway over Sheyenne River	Poor condition + traffic exposure	Poor	24	1920
Nd Highway 46 over Maple River	Scour-critical foundation rating	Good	1,200	1981
State Park Road over Sheyenne River	Scour-critical foundation rating	Fair	25	1979
Nd Highway 32 over Timber Coulee	High traffic	Fair	2,960	1950
Nd Highway 27 over Sheyenne River	High traffic	Good	2,380	1953
Nd Highway 32 over Sheyenne River	High traffic	Fair	2,350	1936
Nd Highway 46 over Cp Railway	High traffic	Good	1,970	1994

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.