Iredell County Bridge Report Card

Iredell County scores 64 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D64 / 100
Local infrastructure snapshot

Iredell County, North Carolina

Iredell County has 331 bridges in the National Bridge Inventory, with 47 rated poor and 5 rated scour-critical. Its poor-condition share of 14.2% is above the 7.1% statewide average. Poor-condition bridges carry about 145,300 daily vehicle crossings.

331Total Bridges
47Poor (14.2%)
188Fair (56.8%)
5Scour-Critical

Quote-Ready Local Facts

14.2%of county bridges are in poor condition, compared with 7.1% statewide and 6.7% nationally.
145,300daily vehicle crossings are on poor-condition bridges in the county.
5bridges are rated scour-critical, or 1.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Iredell County a Bridge Condition Exposure Score of 64/100 (D). The county has 331 bridges in the National Bridge Inventory, including 47 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 145,300 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 share4014.2%28.4
Poor-condition traffic exposure255.6% of measured traffic4.2
Scour-critical bridge share201.5%3.0
Average age vs national baseline1044 years vs 48 nationally0.0
Traffic-data completeness52,612,617 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 Share14.2%
State Poor-Condition Share7.1%
National Poor-Condition Share6.7%
County Scour-Critical Share1.5%
Average Bridge Age44 years
Poor-Condition Traffic Exposure145,300 vehicles/day

Bridges to Watch

Top Bridges to Watch in Iredell County

BridgeReasonConditionDaily TrafficYear Built
I-77 Sbl over Third CreekPoor condition + traffic exposurePoor28,2501964
Sr1109 over Lake NormanPoor condition + traffic exposurePoor19,5001961
I40 Wbl over Buffalo Shoals CreekPoor condition + traffic exposurePoor17,7501955
I40 Ebl over Buffalo Shoals CreekPoor condition + traffic exposurePoor17,7501957
I77 Sbl over Rocky CreekPoor condition + traffic exposurePoor14,7501972
Sr1005 over I40Poor condition + traffic exposurePoor7,3001955
Sr1142 over Dye CreekPoor condition + traffic exposurePoor4,2001975
Sr2398 over Southern R.r.Poor condition + traffic exposurePoor3,6001955
Sr2342 over I-77Poor condition + traffic exposurePoor3,5001957
Sr1004 over Catawba RiverPoor condition + traffic exposurePoor3,5001961

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.