McMinn County Bridge Report Card

McMinn 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

McMinn County, Tennessee

McMinn County has 219 bridges in the National Bridge Inventory, with 6 rated poor and 7 rated scour-critical. Its poor-condition share of 2.7% is at or below the 4.4% statewide average. Poor-condition bridges carry about 15,802 daily vehicle crossings.

219Total Bridges

6Poor (2.7%)

133Fair (60.7%)

7Scour-Critical

Quote-Ready Local Facts

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

15,802daily vehicle crossings are on poor-condition bridges in the county.

7bridges are rated scour-critical, or 3.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McMinn County a Bridge Condition Exposure Score of 87/100 (B). The county has 219 bridges in the National Bridge Inventory, including 6 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 15,802 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%	5.5
Poor-condition traffic exposure	25	1.1% of measured traffic	0.8
Scour-critical bridge share	20	3.2%	6.4
Average age vs national baseline	10	50 years vs 48 nationally	0.8
Traffic-data completeness	5	1,445,788 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	3.2%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	15,802 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeFas 39 over Middle Creek — 5,610 vehicles/day Oldest Listed BridgeFas 39 over Dry Valley Creek — built in 1922 All County BridgesBrowse every bridge record in McMinn County.

Top Bridges to Watch in McMinn County

Bridge	Reason	Condition	Daily Traffic	Year Built
Fas 39 over Middle Creek	Poor condition + traffic exposure	Poor	5,610	1951
Fas 163 over Conasauga Creek	Poor condition + traffic exposure	Poor	1,862	1958
Fau 307 over Oostanaula Creek	Poor condition + traffic exposure	Poor	4,813	1986
Fas 163 over Chestuee Creek	Poor condition + traffic exposure	Poor	3,347	1958
Nfa A347 over Chestuee Creek	Poor condition + traffic exposure	Poor	140	1973
Nfa A196 over Conasauga Creek	Poor condition + traffic exposure	Poor	30	1930
I75 Nbl over Mouse Creek	Scour-critical foundation rating	Good	47,306	1971
I75 Sbl over Mouse Creek	Scour-critical foundation rating	Fair	47,306	1971
Fas 310 over Conasauga Creek	Scour-critical foundation rating	Fair	1,233	1973
Nfa 1231 (sa 5405) over Rogers Creek	Scour-critical foundation rating	Fair	1,086	1963

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.