Natchitoches County Bridge Report Card

Natchitoches County scores 55 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F55 / 100

Local infrastructure snapshot

Natchitoches County, Louisiana

Natchitoches County has 320 bridges in the National Bridge Inventory, with 46 rated poor and 18 rated scour-critical. Its poor-condition share of 14.4% is above the 11.2% statewide average. Poor-condition bridges carry about 95,193 daily vehicle crossings.

320Total Bridges

46Poor (14.4%)

145Fair (45.3%)

18Scour-Critical

Quote-Ready Local Facts

14.4%of county bridges are in poor condition, compared with 11.2% statewide and 6.7% nationally.

95,193daily vehicle crossings are on poor-condition bridges in the county.

18bridges are rated scour-critical, or 5.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Natchitoches County a Bridge Condition Exposure Score of 55/100 (F). The county has 320 bridges in the National Bridge Inventory, including 46 in poor condition and 18 rated scour-critical. Poor-condition bridges carry about 95,193 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	14.4%	28.8
Poor-condition traffic exposure	25	6.7% of measured traffic	5.0
Scour-critical bridge share	20	5.6%	11.2
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	1,418,403 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	14.4%
State Poor-Condition Share	11.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	5.6%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	95,193 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI0049 over Bayou Derbonne — 18,305 vehicles/day Oldest Listed BridgeLa0156 over Creek — built in 1926 All County BridgesBrowse every bridge record in Natchitoches County.

Top Bridges to Watch in Natchitoches County

Bridge	Reason	Condition	Daily Traffic	Year Built
La0117 over St. Johns Creek	Poor condition + traffic exposure	Poor	3,420	1977
La0117 over Flatwoods Creek	Poor condition + traffic exposure	Poor	3,420	1977
Us0071 over Chevreuille B.	Poor condition + traffic exposure	Poor	1,691	1956
La0487 over Brushy Bayou	Poor condition + traffic exposure	Poor	968	1975
La0153 over Drain	Poor condition + traffic exposure	Poor	609	1974
La0156 over Creek	Poor condition + traffic exposure	Poor	525	1926
La0119 over Bayou Pierre	Poor condition + traffic exposure	Poor	189	1971
I0049 over Bayou Derbonne	Poor condition + traffic exposure	Poor	18,305	1986
I0049 over Bayou Lacarp	Poor condition + traffic exposure	Poor	18,305	1986
La0006 over Red River @ Grand Ecore	Poor condition + traffic exposure	Poor	15,363	1959

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.