Polk County Bridge Report Card
Polk County scores 61 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Polk County, Arkansas
Polk County has 222 bridges in the National Bridge Inventory, with 29 rated poor and 3 rated scour-critical. Its poor-condition share of 13.1% is above the 5.4% statewide average. Poor-condition bridges carry about 17,756 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Polk County a Bridge Condition Exposure Score of 61/100 (D). The county has 222 bridges in the National Bridge Inventory, including 29 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 17,756 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 | 13.1% | 26.1 |
| Poor-condition traffic exposure | 25 | 6.6% of measured traffic | 5.0 |
| Scour-critical bridge share | 20 | 1.4% | 2.7 |
| Average age vs national baseline | 10 | 61 years vs 48 nationally | 5.1 |
| Traffic-data completeness | 5 | 267,880 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 | 13.1% |
| State Poor-Condition Share | 5.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.4% |
| Average Bridge Age | 61 years |
| Poor-Condition Traffic Exposure | 17,756 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Polk County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| County Road 35 over Mike Creek Polk Co. | Poor condition + traffic exposure | Poor | 672 | 1991 |
| Co RD 70 Zone B over Alex Branch-polk Co. | Poor condition + traffic exposure | Poor | 334 | 1937 |
| County Road 67 over Little Lee Branch Polk | Poor condition + traffic exposure | Poor | 100 | 1945 |
| US 71 - Polk Co over Six Mile Creek | Poor condition + traffic exposure | Poor | 5,100 | 1940 |
| State Highway 88 over Ouachita River - Polk Co | Poor condition + traffic exposure | Poor | 3,700 | 1955 |
| State Highway 88 over Gap Creek-polk County | Poor condition + traffic exposure | Poor | 2,250 | 1950 |
| State Highway 88 over Irons Fork Creek Polk Co | Poor condition + traffic exposure | Poor | 2,250 | 1955 |
| County Road 31 over Six Mile Creek - Polk Co | Poor condition + traffic exposure | Poor | 901 | 1992 |
| County Road 70 over Chances Creek-polk Co. | Poor condition + traffic exposure | Poor | 334 | 1936 |
| County Road 288 over Buffalo Creek - Polk Co. | Poor condition + traffic exposure | Poor | 300 | 1915 |
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.