Dyer County Bridge Report Card

Dyer County scores 61 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D61 / 100

Local infrastructure snapshot

Dyer County, Tennessee

Dyer County has 232 bridges in the National Bridge Inventory, with 19 rated poor and 28 rated scour-critical. Its poor-condition share of 8.2% is above the 4.4% statewide average. Poor-condition bridges carry about 33,341 daily vehicle crossings.

232Total Bridges

19Poor (8.2%)

144Fair (62.1%)

28Scour-Critical

Quote-Ready Local Facts

8.2%of county bridges are in poor condition, compared with 4.4% statewide and 6.7% nationally.

33,341daily vehicle crossings are on poor-condition bridges in the county.

28bridges are rated scour-critical, or 12.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Dyer County a Bridge Condition Exposure Score of 61/100 (D). The county has 232 bridges in the National Bridge Inventory, including 19 in poor condition and 28 rated scour-critical. Poor-condition bridges carry about 33,341 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	8.2%	16.4
Poor-condition traffic exposure	25	3.9% of measured traffic	2.9
Scour-critical bridge share	20	12.1%	20.0
Average age vs national baseline	10	46 years vs 48 nationally	0.0
Traffic-data completeness	5	855,202 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	8.2%
State Poor-Condition Share	4.4%
National Poor-Condition Share	6.7%
County Scour-Critical Share	12.1%
Average Bridge Age	46 years
Poor-Condition Traffic Exposure	33,341 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeFap 20 over SR 20 WB / Icg Railroad — 11,746 vehicles/day Oldest Listed BridgeFas 104 over Branch — built in 1920 All County BridgesBrowse every bridge record in Dyer County.

Top Bridges to Watch in Dyer County

Bridge	Reason	Condition	Daily Traffic	Year Built
Fap 78 over Drainage Canal	Poor condition + traffic exposure	Poor	3,574	1926
Nfa 1433 (sa 2308) over Overflow	Poor condition + traffic exposure	Poor	730	1957
Nfa 1433 (sa 2308) over Overflow	Poor condition + traffic exposure	Poor	730	1957
Nfa 1433 (sa 2308) over Obion River	Poor condition + traffic exposure	Poor	730	1957
Nfa 1435 (sa 2310) over Biffle Creek	Poor condition + traffic exposure	Poor	400	1930
Nfa 2722 over Branch	Poor condition + traffic exposure	Poor	164	1983
Nfa A426 over Branch	Poor condition + traffic exposure	Poor	100	1970
Nfa A208 over Drainage Ditch	Poor condition + traffic exposure	Poor	10	1970
Fap 20 over SR 20 WB / Icg Railroad	Poor condition + traffic exposure	Poor	11,746	1985
Fau 211 over N. Fork Forked Deer Rive	Poor condition + traffic exposure	Poor	5,963	1933

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.