Sullivan County Bridge Report Card

Sullivan 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

Sullivan County, Tennessee

Sullivan County has 367 bridges in the National Bridge Inventory, with 10 rated poor and 1 rated scour-critical. Its poor-condition share of 2.7% is at or below the 4.4% statewide average. Poor-condition bridges carry about 28,695 daily vehicle crossings.

367Total Bridges

10Poor (2.7%)

193Fair (52.6%)

1Scour-Critical

Quote-Ready Local Facts

2.7%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.

28,695daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sullivan County a Bridge Condition Exposure Score of 92/100 (A). The county has 367 bridges in the National Bridge Inventory, including 10 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 28,695 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	2.7%	5.4
Poor-condition traffic exposure	25	0.7% of measured traffic	0.5
Scour-critical bridge share	20	0.3%	0.5
Average age vs national baseline	10	53 years vs 48 nationally	1.9
Traffic-data completeness	5	4,093,936 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	2.7%
State Poor-Condition Share	4.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.3%
Average Bridge Age	53 years
Poor-Condition Traffic Exposure	28,695 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgePiedmont AVE over Beaver Creek — 8,273 vehicles/day Oldest Listed BridgeNfa C519 over Branch — built in 1915 All County BridgesBrowse every bridge record in Sullivan County.

Top Bridges to Watch in Sullivan County

Bridge	Reason	Condition	Daily Traffic	Year Built
Piedmont AVE over Beaver Creek	Poor condition + traffic exposure	Poor	8,273	1975
Fau 3890 243983d over Csx Railroad & Fau 3892	Poor condition + traffic exposure	Poor	7,621	1959
Fau 355 over Reedy Creek	Poor condition + traffic exposure	Poor	6,249	1955
Fau 3899 over Br Of Reedy Creek	Poor condition + traffic exposure	Poor	3,100	1938
Fas 44 over Branch	Poor condition + traffic exposure	Poor	1,302	1977
Nfa 1392 over Indian Creek	Poor condition + traffic exposure	Poor	800	1928
Nfa 1392 over Indian Creek	Poor condition + traffic exposure	Poor	800	1928
Nfa B357 over I26	Poor condition + traffic exposure	Poor	380	1972
Nfa A839 over Harpers Creek	Poor condition + traffic exposure	Poor	120	1988
Road 910 over Madd Creek	Poor condition + traffic exposure	Poor	50	1950

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.