Johnson County Bridge Report Card

Johnson County scores 36 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F36 / 100
Local infrastructure snapshot

Johnson County, Nebraska

Johnson County has 173 bridges in the National Bridge Inventory, with 41 rated poor and 34 rated scour-critical. Its poor-condition share of 23.7% is above the 7.5% statewide average. Poor-condition bridges carry about 1,695 daily vehicle crossings.

173Total Bridges
41Poor (23.7%)
48Fair (27.7%)
34Scour-Critical

Quote-Ready Local Facts

23.7%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.
1,695daily vehicle crossings are on poor-condition bridges in the county.
34bridges are rated scour-critical, or 19.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Johnson County a Bridge Condition Exposure Score of 36/100 (F). The county has 173 bridges in the National Bridge Inventory, including 41 in poor condition and 34 rated scour-critical. Poor-condition bridges carry about 1,695 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 share4023.7%40.0
Poor-condition traffic exposure253.2% of measured traffic2.4
Scour-critical bridge share2019.7%20.0
Average age vs national baseline1053 years vs 48 nationally1.9
Traffic-data completeness553,440 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 Share23.7%
State Poor-Condition Share7.5%
National Poor-Condition Share6.7%
County Scour-Critical Share19.7%
Average Bridge Age53 years
Poor-Condition Traffic Exposure1,695 vehicles/day

Bridges to Watch

Top Bridges to Watch in Johnson County

BridgeReasonConditionDaily TrafficYear Built
County Highway over Badger BranchPoor condition + traffic exposurePoor701935
607 AVE over Yankee CreekPoor condition + traffic exposurePoor601935
County Highway over Yankee CreekPoor condition + traffic exposurePoor501915
County Highway over StreamPoor condition + traffic exposurePoor451935
611 AVE over Lost BranchPoor condition + traffic exposurePoor401935
Coll 7888 over StreamPoor condition + traffic exposurePoor401935
County Highway over StreamPoor condition + traffic exposurePoor401935
County Highway over StreamPoor condition + traffic exposurePoor351935
County Highway over Sanders CreekPoor condition + traffic exposurePoor351940
County Highway over StreamPoor condition + traffic exposurePoor251935

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.