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County Road 21 over Peterson Ditch

Sedgwick County, Colorado · rated Good in the 2025 National Bridge Inventory

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

County Road 21 over Peterson Ditch in Sedgwick County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1999, making it 26 years old at the 2025 inventory.
It carries about 16 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 28 of the 65 inventoried bridges in Sedgwick County rated good (43.1%); 1 (1.5%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 35 ft
Location	1.0 Mi. No. of US 138
NBI structure number	SED21-30.7-19-A
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.

Bridge	Built	Vehicles/day	Condition
I 76 Ml over Draw	1969	9,200	Fair
I 76 Ml over Draw	1969	9,200	Fair
I 76 Ml Wbnd over County Road 9	1968	4,000	Fair
I 76 Ml Ebnd over County Road 9	1968	4,000	Fair
I 76 Ml Wbnd over SH 59 Ml	1968	4,000	Fair
I 76 Ml Ebnd over SH 59 Ml	1968	4,000	Fair