Hamblen County Bridge Report Card

Hamblen County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A92 / 100

Local infrastructure snapshot

Hamblen County, Tennessee

Hamblen County has 119 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 2.5% is at or below the 4.4% statewide average. Poor-condition bridges carry about 48,727 daily vehicle crossings.

119Total Bridges

3Poor (2.5%)

97Fair (81.5%)

0Scour-Critical

Quote-Ready Local Facts

2.5%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.

48,727daily 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 Hamblen County a Bridge Condition Exposure Score of 92/100 (A). The county has 119 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 48,727 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	2.5%	5.0
Poor-condition traffic exposure	25	2.9% of measured traffic	2.2
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	49 years vs 48 nationally	0.5
Traffic-data completeness	5	1,685,881 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	2.5%
State Poor-Condition Share	4.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	49 years
Poor-Condition Traffic Exposure	48,727 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI81 over Flat Creek — 45,697 vehicles/day Oldest Listed BridgeNfa A747 over Turkey Creek — built in 1900 All County BridgesBrowse every bridge record in Hamblen County.

Top Bridges to Watch in Hamblen County

Bridge	Reason	Condition	Daily Traffic	Year Built
I81 over Flat Creek	Poor condition + traffic exposure	Poor	45,697	1970
Fas 340 over Branch	Poor condition + traffic exposure	Poor	1,770	1941
Nfa A251 over Spring Branch	Poor condition + traffic exposure	Poor	1,260	1955
I81 over Sinking Fork Creek	High traffic	Fair	49,004	1964
I81 730393a over Southern Railway	High traffic	Fair	49,004	1967
I81 730393a over Southern Railway	High traffic	Fair	49,004	1967
Ramp Sr32 To I81sb over Sr-32 Ramp/norf So Rr	High traffic	Good	49,004	2013
I81 over East Fork Flat Creek	High traffic	Fair	45,697	1971
I81 over Turkey Creek	High traffic	Fair	45,697	1972
I81 over Nfa A506	High traffic	Fair	45,697	1972

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.