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Bridge conditions in Marion County, Texas

59 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory

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

1 of the 59 bridges the federal inventory lists in Marion County are rated poor; the rest split 31 good and 27 fair.

1 of the 59 bridges in Marion County, Texas, are rated in poor condition (1.7%) in the 2025 National Bridge Inventory, as of August 20, 2026.
31 bridges (52.5%) are rated good and 27 (45.8%) fair.
The median Marion County bridge was built in 1966.
The busiest poor-rated bridge is SH 155 over Lake of the Pines (built 1954), carrying about 4,762 vehicles a day.

Good 52.5% · Fair 45.8% · Poor 1.7% of 59 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
SH 155 over Lake of the Pines	1954	4,762	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
US 59 over Big Cypress Bayou Rel	1987	12,521	Good
US 59 over Big Cypress Bayou	1954	11,165	Fair
US 59 over Little Cypress Relief	1953	10,617	Good
US 59 over UP RR Kcs RR W Clay St	1953	10,086	Fair
US 59 over Black Cypress Bayou Rel	1997	7,314	Fair
US 59 over Black Cypress Bayou	1997	7,314	Fair
US 59 NB over Little Cypress Rel No. 2	1953	5,809	Good
US 59 NB over Little Cypress Bayou	1953	5,809	Fair
US 59 SB over Little Cypress Bayou	1987	5,722	Fair
US 59 SB over Little Cypress Rel No. 2	1987	5,722	Good

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

All of Texas: Texas 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.