Nowata County Bridge Report Card

Nowata County scores 68 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D68 / 100
Local infrastructure snapshot

Nowata County, Oklahoma

Nowata County has 126 bridges in the National Bridge Inventory, with 14 rated poor and 5 rated scour-critical. Its poor-condition share of 11.1% is above the 7.5% statewide average. Poor-condition bridges carry about 2,127 daily vehicle crossings.

126Total Bridges
14Poor (11.1%)
55Fair (43.7%)
5Scour-Critical

Quote-Ready Local Facts

11.1%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.
2,127daily vehicle crossings are on poor-condition bridges in the county.
5bridges are rated scour-critical, or 4.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Nowata County a Bridge Condition Exposure Score of 68/100 (D). The county has 126 bridges in the National Bridge Inventory, including 14 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 2,127 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 share4011.1%22.2
Poor-condition traffic exposure251.9% of measured traffic1.4
Scour-critical bridge share204.0%7.9
Average age vs national baseline1044 years vs 48 nationally0.0
Traffic-data completeness5112,183 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 Share11.1%
State Poor-Condition Share7.5%
National Poor-Condition Share6.7%
County Scour-Critical Share4.0%
Average Bridge Age44 years
Poor-Condition Traffic Exposure2,127 vehicles/day

Bridges to Watch

Top Bridges to Watch in Nowata County

BridgeReasonConditionDaily TrafficYear Built
E0130 over Chicken CreekPoor condition + traffic exposurePoor1001980
N4120 over Mormon CreekPoor condition + traffic exposurePoor1001982
N4180 over CreekPoor condition + traffic exposurePoor1001992
E0160 over Coon CreekPoor condition + traffic exposurePoor1002009
E0230 over Oologah Lake Trib.Poor condition + traffic exposurePoor1002020
S.h. 28 over Panther CreekPoor condition + traffic exposurePoor6801960
138 S. Sycamore over Sewer CreekPoor condition + traffic exposurePoor3991938
N4134 over CreekPoor condition + traffic exposurePoor1001930
N4135 over Hickory CreekPoor condition + traffic exposurePoor1001930
5318c over Fork CreekPoor condition + traffic exposurePoor1001947

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.