Blaine County Bridge Report Card
Blaine County scores 84 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Blaine County, Oklahoma
Blaine County has 272 bridges in the National Bridge Inventory, with 19 rated poor and 1 rated scour-critical. Its poor-condition share of 7.0% is at or below the 7.5% statewide average. Poor-condition bridges carry about 1,790 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Blaine County a Bridge Condition Exposure Score of 84/100 (B). The county has 272 bridges in the National Bridge Inventory, including 19 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 1,790 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 | 7.0% | 14.0 |
| Poor-condition traffic exposure | 25 | 1.3% of measured traffic | 1.0 |
| Scour-critical bridge share | 20 | 0.4% | 0.7 |
| Average age vs national baseline | 10 | 49 years vs 48 nationally | 0.6 |
| Traffic-data completeness | 5 | 138,149 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 | 7.0% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.4% |
| Average Bridge Age | 49 years |
| Poor-Condition Traffic Exposure | 1,790 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Blaine County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Fas 0618 over Creek | Poor condition + traffic exposure | Poor | 50 | 1949 |
| State Highway 58a over Canton Lake Spillway | Poor condition + traffic exposure | Poor | 730 | 1948 |
| E0660 over N. Canadian River | Poor condition + traffic exposure | Poor | 100 | 1915 |
| 0636c over Creek | Poor condition + traffic exposure | Poor | 100 | 1937 |
| E0700 over Creek | Poor condition + traffic exposure | Poor | 100 | 1950 |
| E0780 over North Canadian River | Poor condition + traffic exposure | Poor | 100 | 1950 |
| E0660 over Creek | Poor condition + traffic exposure | Poor | 100 | 1960 |
| E0710 over Bitter Creek | Poor condition + traffic exposure | Poor | 100 | 1982 |
| E0600 over Creek | Poor condition + traffic exposure | Poor | 50 | 1930 |
| E0640 over Spring Creek | Poor condition + traffic exposure | Poor | 50 | 1950 |
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.