Collier County Bridge Report Card

Collier County scores 87 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B87 / 100

Local infrastructure snapshot

Collier County, Florida

Collier County has 367 bridges in the National Bridge Inventory, with 5 rated poor and 18 rated scour-critical. Its poor-condition share of 1.4% is at or below the 2.8% statewide average. Poor-condition bridges carry about 3,290 daily vehicle crossings.

367Total Bridges

5Poor (1.4%)

90Fair (24.5%)

18Scour-Critical

Quote-Ready Local Facts

1.4%of county bridges are in poor condition, compared with 2.8% statewide and 6.7% nationally.

3,290daily vehicle crossings are on poor-condition bridges in the county.

18bridges are rated scour-critical, or 4.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Collier County a Bridge Condition Exposure Score of 87/100 (B). The county has 367 bridges in the National Bridge Inventory, including 5 in poor condition and 18 rated scour-critical. Poor-condition bridges carry about 3,290 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	1.4%	2.7
Poor-condition traffic exposure	25	0.1% of measured traffic	0.1
Scour-critical bridge share	20	4.9%	9.8
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	4,570,811 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	1.4%
State Poor-Condition Share	2.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	4.9%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	3,290 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeBlackmore Court over Clam Bay — 1,100 vehicles/day Oldest Listed BridgeUs-41 over Canal 102 — built in 1940 All County BridgesBrowse every bridge record in Collier County.

Top Bridges to Watch in Collier County

Bridge	Reason	Condition	Daily Traffic	Year Built
Goldenrod Ave. over Smokehouse Bay	Poor condition + traffic exposure	Poor	640	1972
Blackmore Court over Clam Bay	Poor condition + traffic exposure	Poor	1,100	1972
Sandhill St. over Tidal Canal	Poor condition + traffic exposure	Poor	620	1986
South Seas Court over Tidal Canal	Poor condition + traffic exposure	Poor	550	1986
Caxambas Court over Roberts Bay	Poor condition + traffic exposure	Poor	380	1973
Park Shore DR over Mooring Bay	Scour-critical foundation rating	Good	16,500	1957
Randall Blvd. over Golden Gate Main Canal	Scour-critical foundation rating	Good	11,205	1965
Mooringline Drive over Doctor Pass Inlet	Scour-critical foundation rating	Good	5,400	1975
Us-41 (sr-90) over Canal 092	Scour-critical foundation rating	Good	3,515	1941
Us-41 (sr-90) over Canal 087	Scour-critical foundation rating	Fair	3,515	1949

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.