Carroll County Bridge Report Card

Carroll County scores 78 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C78 / 100

Local infrastructure snapshot

Carroll County, Tennessee

Carroll County has 239 bridges in the National Bridge Inventory, with 4 rated poor and 22 rated scour-critical. Its poor-condition share of 1.7% is at or below the 4.4% statewide average. Poor-condition bridges carry about 1,674 daily vehicle crossings.

239Total Bridges

4Poor (1.7%)

144Fair (60.3%)

22Scour-Critical

Quote-Ready Local Facts

1.7%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.

1,674daily vehicle crossings are on poor-condition bridges in the county.

22bridges are rated scour-critical, or 9.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Carroll County a Bridge Condition Exposure Score of 78/100 (C). The county has 239 bridges in the National Bridge Inventory, including 4 in poor condition and 22 rated scour-critical. Poor-condition bridges carry about 1,674 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	1.7%	3.3
Poor-condition traffic exposure	25	0.4% of measured traffic	0.3
Scour-critical bridge share	20	9.2%	18.4
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	440,747 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	1.7%
State Poor-Condition Share	4.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	9.2%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	1,674 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeNfa A258 over Spring Creek — 850 vehicles/day Oldest Listed BridgeFas 1 over Branch — built in 1922 All County BridgesBrowse every bridge record in Carroll County.

Top Bridges to Watch in Carroll County

Bridge	Reason	Condition	Daily Traffic	Year Built
Nfa A258 over Spring Creek	Poor condition + traffic exposure	Poor	850	1960
Fas 104 over Branch	Poor condition + traffic exposure	Poor	524	1985
Nfa A021 (sa 0919) over Demoss Creek	Poor condition + traffic exposure	Poor	200	1970
Nfa A386 over Hollow Rock Branch	Poor condition + traffic exposure	Poor	100	1960
Fap 1 over Overflow	Scour-critical foundation rating	Fair	5,624	1950
Fap 1 over Overflow	Scour-critical foundation rating	Fair	5,624	1950
Fap 1 over Big Sandy River	Scour-critical foundation rating	Fair	5,624	1950
Fap 1 over Overflow	Scour-critical foundation rating	Fair	5,624	1950
Fap 1 over M. Fk. Forked Deer River	Scour-critical foundation rating	Fair	4,494	1924
Fap 1 over Reedy Creek	Scour-critical foundation rating	Fair	4,139	1928

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.