Polk County Bridge Report Card

Polk County scores 72 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C72 / 100
Local infrastructure snapshot

Polk County, North Carolina

Polk County has 128 bridges in the National Bridge Inventory, with 16 rated poor and 1 rated scour-critical. Its poor-condition share of 12.5% is above the 7.1% statewide average. Poor-condition bridges carry about 11,990 daily vehicle crossings.

128Total Bridges
16Poor (12.5%)
68Fair (53.1%)
1Scour-Critical

Quote-Ready Local Facts

12.5%of county bridges are in poor condition, compared with 7.1% statewide and 6.7% nationally.
11,990daily vehicle crossings are on poor-condition bridges in the county.
1bridges are rated scour-critical, or 0.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Polk County a Bridge Condition Exposure Score of 72/100 (C). The county has 128 bridges in the National Bridge Inventory, including 16 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 11,990 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 share4012.5%25.0
Poor-condition traffic exposure252.6% of measured traffic1.9
Scour-critical bridge share200.8%1.6
Average age vs national baseline1048 years vs 48 nationally0.0
Traffic-data completeness5468,055 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 Share12.5%
State Poor-Condition Share7.1%
National Poor-Condition Share6.7%
County Scour-Critical Share0.8%
Average Bridge Age48 years
Poor-Condition Traffic Exposure11,990 vehicles/day

Bridges to Watch

Top Bridges to Watch in Polk County

BridgeReasonConditionDaily TrafficYear Built
Sr1138 over Green RiverPoor condition + traffic exposurePoor9001980
Nc9 over S.br.little White Oak CRPoor condition + traffic exposurePoor2,9001967
Sr1138 over Panther CreekPoor condition + traffic exposurePoor1,7001961
Sr1004 over Broad RiverPoor condition + traffic exposurePoor1,5001949
Sr1521 over Hooper CreekPoor condition + traffic exposurePoor7601957
Sr1122 over Cove CreekPoor condition + traffic exposurePoor7501970
Sr1501 over Ut To Wolfe CreekPoor condition + traffic exposurePoor5501951
Sr1128 (closed) over North Pacolet RiverPoor condition + traffic exposurePoor5001959
Sr1128 over Ut To North Pacolet RivePoor condition + traffic exposurePoor5001974
Sr1310 over Walnut CreekPoor condition + traffic exposurePoor4501966

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.