US Bridges

County Road 6 over Thompson Ditch

Good

Weld County, Colorado · 0.74 MI E of CO RD 17 · Structure no. WEL006.0-017.0A

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
4,326
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6 over Thompson Ditch is a steel stringer/multi-beam or girder carrying County Road 6 over Thompson Ditch in Weld County, Colorado. It was built in 2021, so it is 4 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,326 vehicles a day, roughly 9% of them trucks, projected to reach 6,142 by 2042. The structure is 29 ft (8.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 6
CrossesThompson Ditch
Location0.74 MI E of CO RD 17
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.02939, -104.89094
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (8 m)
Deck width35 ft (10.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,326 (2022)
Projected traffic6,142 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 6 over Thompson Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 6 over Thompson Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does County Road 6 over Thompson Ditch carry?

About 4,326 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is County Road 6 over Thompson Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (8 m) and a deck 35 ft wide.

Who owns County Road 6 over Thompson Ditch?

It is owned by the County Highway Agency.