Jefferson County Bridge Report Card

Jefferson County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B86 / 100

Local infrastructure snapshot

Jefferson County, Louisiana

Jefferson County has 381 bridges in the National Bridge Inventory, with 16 rated poor and 5 rated scour-critical. Its poor-condition share of 4.2% is at or below the 11.2% statewide average. Poor-condition bridges carry about 277,908 daily vehicle crossings.

381Total Bridges

16Poor (4.2%)

139Fair (36.5%)

5Scour-Critical

Quote-Ready Local Facts

4.2%of county bridges are in poor condition, compared with 11.2% statewide and 6.7% nationally.

277,908daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 1.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Jefferson County a Bridge Condition Exposure Score of 86/100 (B). The county has 381 bridges in the National Bridge Inventory, including 16 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 277,908 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	4.2%	8.4
Poor-condition traffic exposure	25	4.4% of measured traffic	3.3
Scour-critical bridge share	20	1.3%	2.6
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	6,246,680 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	4.2%
State Poor-Condition Share	11.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.3%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	277,908 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI0010 over Vet Mem HWY — 137,542 vehicles/day Oldest Listed BridgeUs0090 over Mississippi River — built in 1936 All County BridgesBrowse every bridge record in Jefferson County.

Top Bridges to Watch in Jefferson County

Bridge	Reason	Condition	Daily Traffic	Year Built
I0010 over Vet Mem HWY	Poor condition + traffic exposure	Poor	137,542	1967
La3046 over R/r City Streets La 611	Poor condition + traffic exposure	Poor	55,994	1957
I0010 over Vet Mem HWY	Poor condition + traffic exposure	Poor	41,695	1967
W. Metairie AVE over Suburban Canal	Poor condition + traffic exposure	Poor	24,900	1968
Wall BLVD over Bayou Fatma	Poor condition + traffic exposure	Poor	8,000	1980
La3046 over La Sou/kcs Rr & Claiborn	Poor condition + traffic exposure	Poor	7,806	1957
La0302 over Bayou Barataria	Poor condition + traffic exposure	Poor	1,254	1948
La0301 over Priest Canal	Poor condition + traffic exposure	Poor	317	1979
6th ST over Keyhole Canal	Poor condition + traffic exposure	Poor	200	1960
Caddy DR over Gulizo Canal	Poor condition + traffic exposure	Poor	200	1970

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.