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.
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.
Quote-Ready Local Facts
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.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 11.1% | 22.2 |
| Poor-condition traffic exposure | 25 | 1.9% of measured traffic | 1.4 |
| Scour-critical bridge share | 20 | 4.0% | 7.9 |
| Average age vs national baseline | 10 | 44 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 112,183 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 | 11.1% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.0% |
| Average Bridge Age | 44 years |
| Poor-Condition Traffic Exposure | 2,127 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Nowata County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| E0130 over Chicken Creek | Poor condition + traffic exposure | Poor | 100 | 1980 |
| N4120 over Mormon Creek | Poor condition + traffic exposure | Poor | 100 | 1982 |
| N4180 over Creek | Poor condition + traffic exposure | Poor | 100 | 1992 |
| E0160 over Coon Creek | Poor condition + traffic exposure | Poor | 100 | 2009 |
| E0230 over Oologah Lake Trib. | Poor condition + traffic exposure | Poor | 100 | 2020 |
| S.h. 28 over Panther Creek | Poor condition + traffic exposure | Poor | 680 | 1960 |
| 138 S. Sycamore over Sewer Creek | Poor condition + traffic exposure | Poor | 399 | 1938 |
| N4134 over Creek | Poor condition + traffic exposure | Poor | 100 | 1930 |
| N4135 over Hickory Creek | Poor condition + traffic exposure | Poor | 100 | 1930 |
| 5318c over Fork Creek | Poor condition + traffic exposure | Poor | 100 | 1947 |
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.