US Bridges

County Road 33 over Ashcroft Draw

Fair

Weld County, Colorado · Arrowhead DR & 37th S · Structure no. WEL033.0-052.2A

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
532
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 33 over Ashcroft Draw is a concrete culvert carrying County Road 33 over Ashcroft Draw in Weld County, Colorado. It was built in 1970, so it is 55 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 532 vehicles a day, roughly 22% of them trucks, projected to reach 756 by 2043. The structure is 38 ft (11.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Road 33
CrossesAshcroft Draw
LocationArrowhead DR & 37th S
RouteCounty Highway 0
Coordinates40.3738, -104.75781
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic532 (2023)
Projected traffic756 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 33 over Ashcroft Draw built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road 33 over Ashcroft Draw in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does County Road 33 over Ashcroft Draw carry?

About 532 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is County Road 33 over Ashcroft Draw?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m) and a deck 40 ft wide.

Who owns County Road 33 over Ashcroft Draw?

It is owned by the County Highway Agency.