St. James County Bridge Report Card

St. James 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

St. James County, Louisiana

St. James County has 26 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 3.8% is at or below the 11.2% statewide average. Poor-condition bridges carry about 8,204 daily vehicle crossings.

26Total Bridges

1Poor (3.8%)

17Fair (65.4%)

0Scour-Critical

Quote-Ready Local Facts

3.8%of county bridges are in poor condition, compared with 11.2% statewide and 6.7% nationally.

8,204daily 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 St. James County a Bridge Condition Exposure Score of 89/100 (B). The county has 26 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 8,204 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	3.8%	7.7
Poor-condition traffic exposure	25	2.7% of measured traffic	2.0
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	50 years vs 48 nationally	0.8
Traffic-data completeness	5	301,019 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	3.8%
State Poor-Condition Share	11.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	8,204 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeLa0020 over Bayou Chevrevil — 8,204 vehicles/day Oldest Listed BridgeUs0061 over Drain Canal — built in 1954 All County BridgesBrowse every bridge record in St. James County.

Top Bridges to Watch in St. James County

Bridge	Reason	Condition	Daily Traffic	Year Built
La0020 over Bayou Chevrevil	Poor condition + traffic exposure	Poor	8,204	1959
I0010 over Blind River	High traffic	Fair	49,274	1975
I0010 over Blind River	High traffic	Fair	29,510	1975
La0070 over Mississippi River	High traffic	Fair	17,100	1963
Us0061 over Blind River	High traffic	Fair	14,957	1977
Us0061 over Tchackchou Bayou	High traffic	Good	14,957	1978
Us0061 over Drain Canal	High traffic	Good	14,957	1978
Us0061 over Blind River	High traffic	Good	14,837	1978
La3213 over Mississippi River	High traffic	Fair	13,743	1989
La3213 over Mississippi River/ic Rr	High traffic	Fair	13,743	1993

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.