Grainger County Bridge Report Card

Grainger 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

Grainger County, Tennessee

Grainger County has 88 bridges in the National Bridge Inventory, with 4 rated poor and 0 rated scour-critical. Its poor-condition share of 4.5% is above the 4.4% statewide average. Poor-condition bridges carry about 2,539 daily vehicle crossings.

88Total Bridges
4Poor (4.5%)
60Fair (68.2%)
0Scour-Critical

Quote-Ready Local Facts

4.5%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.
2,539daily vehicle crossings are on poor-condition bridges in the county.
0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Grainger County a Bridge Condition Exposure Score of 87/100 (B). The county has 88 bridges in the National Bridge Inventory, including 4 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 2,539 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 share404.5%9.1
Poor-condition traffic exposure251.2% of measured traffic0.9
Scour-critical bridge share200.0%0.0
Average age vs national baseline1056 years vs 48 nationally3.1
Traffic-data completeness5204,856 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 Share4.5%
State Poor-Condition Share4.4%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age56 years
Poor-Condition Traffic Exposure2,539 vehicles/day

Bridges to Watch

Top Bridges to Watch in Grainger County

BridgeReasonConditionDaily TrafficYear Built
Fas 131 over Williams CreekPoor condition + traffic exposurePoor1,2131973
Nfa 2534 (sa 2902) over Richland CreekPoor condition + traffic exposurePoor8871975
Nfa 1274 (sa 2907) over Notchy CreekPoor condition + traffic exposurePoor2681975
Nfa 2544 over Williams BranchPoor condition + traffic exposurePoor1711980
Fap 1 over Meadow CreekHigh trafficFair13,3271945
Fap 1 over SR 32High trafficGood13,3271998
Fap 32 over Briar Fork CreekHigh trafficFair10,8461942
Fap 1 over BranchHigh trafficGood10,3152003
Fap 32 over Indian CreekHigh trafficFair8,2471981
Fap 32 over Clinch RiverHigh trafficGood8,2472009

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.