Marion County Bridge Report Card

Marion County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A92 / 100

Local infrastructure snapshot

Marion County, Florida

Marion County has 78 bridges in the National Bridge Inventory, with 2 rated poor and 1 rated scour-critical. Its poor-condition share of 2.6% is at or below the 2.8% statewide average. Poor-condition bridges carry about 5,330 daily vehicle crossings.

78Total Bridges

2Poor (2.6%)

35Fair (44.9%)

1Scour-Critical

Quote-Ready Local Facts

2.6%of county bridges are in poor condition, compared with 2.8% statewide and 6.7% nationally.

5,330daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 1.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Marion County a Bridge Condition Exposure Score of 92/100 (A). The county has 78 bridges in the National Bridge Inventory, including 2 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 5,330 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	2.6%	5.1
Poor-condition traffic exposure	25	0.4% of measured traffic	0.3
Scour-critical bridge share	20	1.3%	2.6
Average age vs national baseline	10	46 years vs 48 nationally	0.0
Traffic-data completeness	5	1,293,122 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	2.6%
State Poor-Condition Share	2.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.3%
Average Bridge Age	46 years
Poor-Condition Traffic Exposure	5,330 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCr-315 over Daisy Creek — 4,700 vehicles/day Oldest Listed BridgeCr-25a over Scl Railroad — built in 1925 All County BridgesBrowse every bridge record in Marion County.

Top Bridges to Watch in Marion County

Bridge	Reason	Condition	Daily Traffic	Year Built
Cr-315 over Daisy Creek	Poor condition + traffic exposure	Poor	4,700	1958
NE 145th AVE Road over Canal	Poor condition + traffic exposure	Poor	630	1940
SE 137th AVE Road over Creek	Scour-critical foundation rating	Fair	3,400	1940
I-75 over Sr-200	High traffic	Fair	95,500	1996
I-75 over SW 20th ST (cr-a225)	High traffic	Fair	90,000	1996
I-75 over Cr-484	High traffic	Fair	52,250	1964
I-75 over Cr-484	High traffic	Fair	52,250	1964
I-75 over Us-27	High traffic	Fair	47,750	1964
I-75 over Sr-40	High traffic	Good	45,000	1964
I-75 over Sr-40	High traffic	Fair	45,000	1964

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.