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Bridge conditions in Wallace County, Kansas

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

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

The federal inventory lists 44 bridges in Wallace County: 26 rated good, 17 fair, and 1 poor.

1 of the 44 bridges in Wallace County, Kansas, are rated in poor condition (2.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
26 bridges (59.1%) are rated good and 17 (38.6%) fair.
The median Wallace County bridge was built in 1965.
The busiest poor-rated bridge is Road 9 (i.3-8.0) over Ladder Creek (built 1965), carrying about 35 vehicles a day.

Good 59.1% · Fair 38.6% · Poor 2.3% of 44 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
Road 9 (i.3-8.0) over Ladder Creek	1965	35	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
K-27 Hwy over Eagletail Creek	2006	2,360	Good
K-27 Highway over Smoky Hill River	1955	1,262	Fair
US40 Hwy over Eagle Trail Creek Drg	1961	1,222	Good
U-40 Hwy over Sth Fk Smoky Hill River	2024	1,222	Good
K27 Hwy over N Fork Ladder Creek	1957	1,139	Fair
K27 Hwy over South Fork Lake Creek	1957	1,088	Fair
US40 Hwy over Eagle Tail Creek Drg	1958	1,040	Fair
U-40 Hwy over Union Pacific Railroad	2024	1,040	Good
K27 Hwy over North Fork Lake CR Drg	1956	1,036	Good
K27 Hwy over North Fork Lake Creek	1956	1,036	Good

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

All of Kansas: Kansas 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.