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Bridge conditions in Natchitoches Parish, Louisiana

320 inventoried bridges · 46 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Of the 320 Natchitoches Parish bridges in the federal inventory, 46 carry a poor rating. That 14.4% share is roughly 2x the national average.

46 of the 320 bridges in Natchitoches Parish, Louisiana, are rated in poor condition (14.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
129 bridges (40.3%) are rated good and 145 (45.3%) fair.
The median Natchitoches Parish bridge was built in 1985.
The busiest poor-rated bridge is I0049 over Bayou Derbonne (built 1986), carrying about 18,305 vehicles a day.

Good 40.3% · Fair 45.3% · Poor 14.4% of 320 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
I0049 over Bayou Derbonne	1986	18,305	Poor
I0049 over Bayou Lacarp	1986	18,305	Poor
LA0006 over Red River @ Grand Ecore	1959	15,363	Poor
La0001-x over Cane River	1936	11,003	Poor
La0001-x over Cane River	1936	6,362	Poor
US0084 over Bourbeaux Bayou	1987	4,081	Poor
LA0117 over St. Johns Creek	1977	3,420	Poor
LA0117 over Flatwoods Creek	1977	3,420	Poor
US0071 over Saline Bayou	1956	1,691	Poor
US0071 over Chevreuille B.	1956	1,691	Poor
LA0118 over Creek	1976	1,471	Poor
LA0009 over Eight Mile Creek	1977	1,131	Poor
LA0001 over Cane River	1948	996	Poor
LA0487 over Brushy Bayou	1989	968	Poor
LA0487 over Brushy Bayou	1975	968	Poor
LA0001 over Cane River	1963	748	Poor
LA0494 over Creek	1963	726	Poor
LA0120 over Machis Bayou	1930	665	Poor
LA0153 over Drain	1974	609	Poor
LA0156 over Creek	1926	525	Poor
LA0009 over Choctaw Creek	1977	282	Poor
Goldonna Rd over Little Fordoche Creek	1995	233	Poor
LA0119 over Creek	1972	189	Poor
LA0119 over Bayou Pierre	1971	189	Poor
LA0119 over Creek	1968	189	Poor
LA0119 over Creek	1968	189	Poor
Government Rd over Cypress CR.	1965	152	Poor
Government Rd over Cypress CR.	1965	152	Poor
LA0478 over B. Demuse East Tributary	1996	116	Poor
Shady Grove Rd over Middle Creek	1983	92	Poor
Shady Grove Rd over Middle Creek	1983	92	Poor
Shady Grove Rd over Middle Creek	1983	92	Poor
Brandon Cotton Rd over Terre Blanc Bayou	1981	92	Poor
Shady Grove Rd over Middle Creek	1983	90	Poor
Fh 59 over Steep Creek	1967	80	Poor
Fh 59 over Double Branch	1969	80	Poor
Old Victoria Rd over Trudo Creek	1985	80	Poor
Nelson Rd over Brushy Creek	1978	72	Poor
Fdr 525 over Antoine Creek	1965	50	Poor
Forest Rd over Caney Branch	1972	42	Poor
Rock Quarry Road over Tiger Creek	1990	40	Poor
Forest Rd over Lyles Creek	1970	32	Poor
Fdr 337 over Middle Creek	1970	30	Poor
Fdr 354 over Hyatt Branch	1970	30	Poor
Fdr 360 over Livrogne Bayou	1978	30	Poor
Fdr 508 over Eightmile Creek	1970	30	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I0049 over La 490	1985	28,142	Good
I0049 over Bayou Barbue	1984	28,142	Fair
I0049 over Barbue Bayou Trib.	1984	28,142	Fair
I0049 over Emmanuel Road	1985	28,142	Fair
I0049 over Comitte Bayou	1984	28,142	Fair
I0049 over LA119	1985	28,142	Fair
I0049 over La 493	1986	28,142	Good
I0049 over Kisatchie Bayou	1988	28,142	Fair
I0049 over La 120	1988	28,142	Good
I0049 over St. Julian/Longlois Hill	1988	28,142	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Natchitoches Parish → - all 320, busiest first, each with its own condition record.

All of Louisiana: Louisiana bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.