Adams County Bridge Report Card

Adams County scores 55 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F55 / 100
Local infrastructure snapshot

Adams County, North Dakota

Adams County has 44 bridges in the National Bridge Inventory, with 5 rated poor and 5 rated scour-critical. Its poor-condition share of 11.4% is above the 11.1% statewide average. Poor-condition bridges carry about 36 daily vehicle crossings.

44Total Bridges
5Poor (11.4%)
23Fair (52.3%)
5Scour-Critical

Quote-Ready Local Facts

11.4%of county bridges are in poor condition, compared with 11.1% statewide and 6.7% nationally.
36daily vehicle crossings are on poor-condition bridges in the county.
5bridges are rated scour-critical, or 11.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Adams County a Bridge Condition Exposure Score of 55/100 (F). The county has 44 bridges in the National Bridge Inventory, including 5 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 36 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 share4011.4%22.7
Poor-condition traffic exposure250.3% of measured traffic0.2
Scour-critical bridge share2011.4%20.0
Average age vs national baseline1053 years vs 48 nationally2.0
Traffic-data completeness512,096 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 Share11.4%
State Poor-Condition Share11.1%
National Poor-Condition Share6.7%
County Scour-Critical Share11.4%
Average Bridge Age53 years
Poor-Condition Traffic Exposure36 vehicles/day

Bridges to Watch

Top Bridges to Watch in Adams County

BridgeReasonConditionDaily TrafficYear Built
14th ST SW over Buffalo CreekPoor condition + traffic exposurePoor101919
Haynes RD over Flat CreekPoor condition + traffic exposurePoor101936
6th ST NE over Cedar CreekPoor condition + traffic exposurePoor101991
11th Street North over Cedar CreekPoor condition + traffic exposurePoor51930
17th AVE NW over Cedar CreekPoor condition + traffic exposurePoor11925
Nd Highway 8 over Flat CreekScour-critical foundation ratingFair1,7301959
US Highway 12 over Flat CreekScour-critical foundation ratingFair1,3701941
23rd St. NE over Cedar CreekScour-critical foundation ratingGood1401975
4th ST Northeast over Cedar CreekScour-critical foundation ratingFair1251964
27th St. NE over Cedar CreekScour-critical foundation ratingGood1002006

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.