Mercer County Bridge Report Card

Mercer County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Mercer County, Kentucky

Mercer County has 76 bridges in the National Bridge Inventory, with 6 rated poor and 0 rated scour-critical. Its poor-condition share of 7.9% is above the 7.5% statewide average. Poor-condition bridges carry about 3,906 daily vehicle crossings.

76Total Bridges

6Poor (7.9%)

45Fair (59.2%)

0Scour-Critical

Quote-Ready Local Facts

7.9%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

3,906daily 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 Mercer County a Bridge Condition Exposure Score of 81/100 (B). The county has 76 bridges in the National Bridge Inventory, including 6 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 3,906 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	7.9%	15.8
Poor-condition traffic exposure	25	4.5% of measured traffic	3.4
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	43 years vs 48 nationally	0.0
Traffic-data completeness	5	86,014 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	7.9%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	43 years
Poor-Condition Traffic Exposure	3,906 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUs-68 over Kentucky River — 2,641 vehicles/day Oldest Listed BridgeKy 152 over Salt River — built in 1929 All County BridgesBrowse every bridge record in Mercer County.

Top Bridges to Watch in Mercer County

Bridge	Reason	Condition	Daily Traffic	Year Built
Us-68 over Kentucky River	Poor condition + traffic exposure	Poor	2,641	1954
Paradise Camp RD over Br Of Cane Run	Poor condition + traffic exposure	Poor	660	1940
Ky 1989 over Hayden Creek	Poor condition + traffic exposure	Poor	225	1982
Ky-2329 over Town Creek	Poor condition + traffic exposure	Poor	189	1965
Alford RD over S.fk. Buchanah Creek	Poor condition + traffic exposure	Poor	165	1965
Henry Robinson RD over Brush Creek	Poor condition + traffic exposure	Poor	26	1983
Danville Road over Dry Creek	High traffic	Fair	10,414	1952
Harrodsburg Bypass over Pioneer Creek	High traffic	Fair	9,565	1996
Martha Layne Colli over Salt River	High traffic	Fair	7,450	1965
Bg-9002 over Salt River	High traffic	Fair	7,450	1965

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.