Knox County Bridge Report Card

Knox County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B89 / 100

Local infrastructure snapshot

Knox County, Ohio

Knox County has 275 bridges in the National Bridge Inventory, with 13 rated poor and 0 rated scour-critical. Its poor-condition share of 4.7% is at or below the 4.7% statewide average. Poor-condition bridges carry about 6,265 daily vehicle crossings.

275Total Bridges

13Poor (4.7%)

113Fair (41.1%)

0Scour-Critical

Quote-Ready Local Facts

4.7%of county bridges are in poor condition, compared with 4.7% statewide and 6.7% nationally.

6,265daily 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 Knox County a Bridge Condition Exposure Score of 89/100 (B). The county has 275 bridges in the National Bridge Inventory, including 13 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,265 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	4.7%	9.5
Poor-condition traffic exposure	25	1.5% of measured traffic	1.1
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	424,808 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	4.7%
State Poor-Condition Share	4.7%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	6,265 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 62 over Trib Of E Br Jelloway CR — 2,126 vehicles/day Oldest Listed BridgeSR 13 over Kokosing River — built in 1892 All County BridgesBrowse every bridge record in Knox County.

Top Bridges to Watch in Knox County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 62 over Trib Of E Br Jelloway CR	Poor condition + traffic exposure	Poor	2,126	1932
Howard Danville over Little Jelloway Creek	Poor condition + traffic exposure	Poor	1,277	1915
SR 514 over Trib Of Mohican River	Poor condition + traffic exposure	Poor	836	1995
Millwood Road over Kokosing River	Poor condition + traffic exposure	Poor	355	1900
Shadley Valley over Shadley Valley Creek	Poor condition + traffic exposure	Poor	324	1970
Pleasant Valley over Dry Run	Poor condition + traffic exposure	Poor	324	1985
Kinney Road over Dry Creek	Poor condition + traffic exposure	Poor	323	1975
Sycamore Road over Branch Of Big Run	Poor condition + traffic exposure	Poor	266	1936
Big Run over Tributary Of Big Run	Poor condition + traffic exposure	Poor	159	1973
Mile Creek Road over Mile Creek	Poor condition + traffic exposure	Poor	155	1926

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.