Smith County Bridge Report Card

Smith County scores 65 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D65 / 100

Local infrastructure snapshot

Smith County, Tennessee

Smith County has 202 bridges in the National Bridge Inventory, with 19 rated poor and 1 rated scour-critical. Its poor-condition share of 9.4% is above the 4.4% statewide average. Poor-condition bridges carry about 249,659 daily vehicle crossings.

202Total Bridges

19Poor (9.4%)

69Fair (34.2%)

1Scour-Critical

Quote-Ready Local Facts

9.4%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.

249,659daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Smith County a Bridge Condition Exposure Score of 65/100 (D). The county has 202 bridges in the National Bridge Inventory, including 19 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 249,659 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

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	9.4%	18.8
Poor-condition traffic exposure	25	16.1% of measured traffic	12.1
Scour-critical bridge share	20	0.5%	1.0
Average age vs national baseline	10	55 years vs 48 nationally	2.7
Traffic-data completeness	5	1,550,258 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	9.4%
State Poor-Condition Share	4.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.5%
Average Bridge Age	55 years
Poor-Condition Traffic Exposure	249,659 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI40 349207a over Csx Rr & County Road — 44,898 vehicles/day Oldest Listed BridgeNfa 1569 over Brush Creek — built in 1918 All County BridgesBrowse every bridge record in Smith County.

Top Bridges to Watch in Smith County

Bridge	Reason	Condition	Daily Traffic	Year Built
Nfa A028 over Peyton Creek	Poor condition + traffic exposure	Poor	50	1930
I40 349207a over Csx Rr & County Road	Poor condition + traffic exposure	Poor	44,898	1962
I40 over Bolling Branch & Priv. R	Poor condition + traffic exposure	Poor	44,898	1962
I40 over Caney Fork River	Poor condition + traffic exposure	Poor	44,898	1962
I40 over Caney Fork River	Poor condition + traffic exposure	Poor	44,898	1962
I40 over Caney Fork River	Poor condition + traffic exposure	Poor	44,898	1962
Fau 5696 over Cumberland River	Poor condition + traffic exposure	Poor	6,931	1934
Fap 401 (sr 24) over Hogan Creek	Poor condition + traffic exposure	Poor	6,189	1940
Fap 401 (sr 24) over Branch	Poor condition + traffic exposure	Poor	4,375	1938
Fap 401 (sr 24) over Roundlick Creek	Poor condition + traffic exposure	Poor	4,375	1940

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.