Hamilton County Bridge Report Card

Hamilton 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

Hamilton County, Ohio

Hamilton County has 782 bridges in the National Bridge Inventory, with 22 rated poor and 0 rated scour-critical. Its poor-condition share of 2.8% is at or below the 4.7% statewide average. Poor-condition bridges carry about 493,130 daily vehicle crossings.

782Total Bridges

22Poor (2.8%)

313Fair (40.0%)

0Scour-Critical

Quote-Ready Local Facts

2.8%of county bridges are in poor condition, compared with 4.7% statewide and 6.7% nationally.

493,130daily 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 Hamilton County a Bridge Condition Exposure Score of 89/100 (B). The county has 782 bridges in the National Bridge Inventory, including 22 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 493,130 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	2.8%	5.6
Poor-condition traffic exposure	25	2.9% of measured traffic	2.2
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	55 years vs 48 nationally	2.9
Traffic-data completeness	5	17,123,075 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	2.8%
State Poor-Condition Share	4.7%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	55 years
Poor-Condition Traffic Exposure	493,130 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIr 75 over Tributary Mill Creek — 91,244 vehicles/day Oldest Listed BridgeCr-600 Roebling over Us27 & Ohio River — built in 1867 All County BridgesBrowse every bridge record in Hamilton County.

Top Bridges to Watch in Hamilton County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ir 75 over Tributary Mill Creek	Poor condition + traffic exposure	Poor	91,244	1960
NB Ir 75 over Mill Cr;benson St;nsrr;s	Poor condition + traffic exposure	Poor	67,075	1965
Western Hills Viad over Mill Creek State Sprin	Poor condition + traffic exposure	Poor	43,788	1931
Winton Road over Winton Woods Park Drive	Poor condition + traffic exposure	Poor	40,186	1969
WB Ir 74 over CR 184;trib Taylor Creek	Poor condition + traffic exposure	Poor	36,784	1964
WB Ir 275 over CR 299(loveland Rd);iory	Poor condition + traffic exposure	Poor	35,701	1970
EB Ir 275 over CR 299(loveland Rd);iory	Poor condition + traffic exposure	Poor	35,701	1970
Glendale Milford over Norfolk Southern Rr-sort	Poor condition + traffic exposure	Poor	24,750	1960
US 50 over Nsrr;duckcrk;red Bank RD	Poor condition + traffic exposure	Poor	17,030	1962
WB Ir 275 over Norfolk Southern Rr; Us5	Poor condition + traffic exposure	Poor	15,977	1976

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.