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Bridge conditions in Kit Carson County, Colorado

130 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory

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

2 of the 130 bridges the federal inventory lists in Kit Carson County are rated poor; the rest split 40 good and 88 fair.

2 of the 130 bridges in Kit Carson County, Colorado, are rated in poor condition (1.5%) in the 2025 National Bridge Inventory, as of August 20, 2026.
40 bridges (30.8%) are rated good and 88 (67.7%) fair.
The median Kit Carson County bridge was built in 1969.
The busiest poor-rated bridge is County Road 31 over Spring Creek (built 1936), carrying about 339 vehicles a day.

Good 30.8% · Fair 67.7% · Poor 1.5% of 130 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
County Road 31 over Spring Creek	1936	339	Poor
County Road 23 over S. Fork Republican River	1963	35	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I 70 Ml over Draw	1967	9,900	Fair
I 70 Ml over Draw	1969	9,900	Fair
I 70 Ml over Draw	1966	9,200	Fair
I 70 Ml over Draw	1964	9,000	Fair
I 70 Ml over Drain Ditch	1968	8,000	Fair
I 70 Ml Ebnd over Republican River	1975	5,000	Fair
I 70 Ml Wbnd over Republican River	1975	5,000	Fair
I 70 Ml Wbnd over Sand Creek	1964	5,000	Fair
I 70 Ml Ebnd over Sand Creek	1970	5,000	Fair
I 70 Ml Wbnd over County Road 59	1969	4,950	Fair

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

All of Colorado: Colorado 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.