Lewis County Bridge Report Card

Lewis County scores 87 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B87 / 100
Local infrastructure snapshot

Lewis County, Tennessee

Lewis County has 136 bridges in the National Bridge Inventory, with 4 rated poor and 2 rated scour-critical. Its poor-condition share of 2.9% is at or below the 4.4% statewide average. Poor-condition bridges carry about 3,750 daily vehicle crossings.

136Total Bridges
4Poor (2.9%)
106Fair (77.9%)
2Scour-Critical

Quote-Ready Local Facts

2.9%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.
3,750daily vehicle crossings are on poor-condition bridges in the county.
2bridges are rated scour-critical, or 1.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Lewis County a Bridge Condition Exposure Score of 87/100 (B). The county has 136 bridges in the National Bridge Inventory, including 4 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 3,750 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 share402.9%5.9
Poor-condition traffic exposure255.7% of measured traffic4.2
Scour-critical bridge share201.5%2.9
Average age vs national baseline1047 years vs 48 nationally0.0
Traffic-data completeness566,324 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 Share2.9%
State Poor-Condition Share4.4%
National Poor-Condition Share6.7%
County Scour-Critical Share1.5%
Average Bridge Age47 years
Poor-Condition Traffic Exposure3,750 vehicles/day

Bridges to Watch

Top Bridges to Watch in Lewis County

BridgeReasonConditionDaily TrafficYear Built
Fap 48 over Rockhouse CreekPoor condition + traffic exposurePoor2,6401931
Nfa A180 over Piney BranchPoor condition + traffic exposurePoor6001970
Natchez Trace Park over Tn State Park RoadPoor condition + traffic exposurePoor4601968
Nfa A098 over Buffalo RiverPoor condition + traffic exposurePoor501965
Nfa 955 (sa 5110) over Indian CreekScour-critical foundation ratingFair2951960
Nfa 5563 (sa 5104) over Buffalo RiverScour-critical foundation ratingFair1591967
Fap 99 over Faucett BranchHigh trafficFair3,8361947
Fap 99 over Swan CreekHigh trafficGood3,8361952
Fap 99 over Little Swan CreekHigh trafficFair3,8361996
Fap 99 over Little Grinders CreekHigh trafficGood3,8361996

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.