Ottawa County Bridge Report Card

Ottawa County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C77 / 100
Local infrastructure snapshot

Ottawa County, Kansas

Ottawa County has 295 bridges in the National Bridge Inventory, with 11 rated poor and 13 rated scour-critical. Its poor-condition share of 3.7% is at or below the 5.2% statewide average. Poor-condition bridges carry about 960 daily vehicle crossings.

295Total Bridges
11Poor (3.7%)
164Fair (55.6%)
13Scour-Critical

Quote-Ready Local Facts

3.7%of county bridges are in poor condition, compared with 5.2% statewide and 6.7% nationally.
960daily vehicle crossings are on poor-condition bridges in the county.
13bridges are rated scour-critical, or 4.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Ottawa County a Bridge Condition Exposure Score of 77/100 (C). The county has 295 bridges in the National Bridge Inventory, including 11 in poor condition and 13 rated scour-critical. Poor-condition bridges carry about 960 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 share403.7%7.5
Poor-condition traffic exposure250.8% of measured traffic0.6
Scour-critical bridge share204.4%8.8
Average age vs national baseline1063 years vs 48 nationally6.1
Traffic-data completeness5117,810 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 Share3.7%
State Poor-Condition Share5.2%
National Poor-Condition Share6.7%
County Scour-Critical Share4.4%
Average Bridge Age63 years
Poor-Condition Traffic Exposure960 vehicles/day

Bridges to Watch

Top Bridges to Watch in Ottawa County

BridgeReasonConditionDaily TrafficYear Built
L.7-13.6 Minor over Pipe CreekPoor condition + traffic exposurePoor4001915
Rs 187 over CreekPoor condition + traffic exposurePoor3001971
Q-1.4 Minor over StreamPoor condition + traffic exposurePoor501930
C.4-21.2 Local over StreamPoor condition + traffic exposurePoor401930
P-11.8 Local over Lindsey CreekPoor condition + traffic exposurePoor401940
J.5-3.6 Local over Henry CreekPoor condition + traffic exposurePoor301930
P.5-20.5 Local over Trib. To Solomon RiverPoor condition + traffic exposurePoor251930
Beaver/aspen over Trib. To Saline RiverPoor condition + traffic exposurePoor251988
R.9-19 Local over Sand CreekPoor condition + traffic exposurePoor201930
T.6-12 Local over StreamPoor condition + traffic exposurePoor201950

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.