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County Road 37 over Surveyor Creek

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

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

County Road 37 over Surveyor Creek in Washington 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 1991, making it 34 years old at the 2025 inventory.
It carries about 22 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 14 of the 76 inventoried bridges in Washington County rated good (18.4%); 3 (3.9%) 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	Steel stringer or multi-beam girder
Length	about 82 ft
Location	0.8 Mi. E. of Co. Rd. FF
NBI structure number	WTN37-FF.80-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 Wbnd over County Road Q	1964	5,500	Fair
I 76 Ml Ebnd over County Road Q	1964	5,500	Fair
US 34 Ml over Camp Creek	2000	3,300	Good
US 34 Ml over Draw	2006	3,100	Good
US 34 Ml over Surveyor Creek	1935	2,900	Fair
US 6 Ml over Prewitt Res Intake Canal	1941	1,100	Fair