US Bridges

County Road 4 over Denver Hudson Canal

Poor

Weld County, Colorado · 0.1 MI E of CO RD 41 · Structure no. WEL004.0_041.0A

Built
1996
29 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
1,382
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 4 over Denver Hudson Canal is a steel stringer/multi-beam or girder carrying County Road 4 over Denver Hudson Canal in Weld County, Colorado. It was built in 1996, so it is 29 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,382 vehicles a day, roughly 37% of them trucks, projected to reach 1,962 by 2042. The structure is 40 ft (12.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 4
CrossesDenver Hudson Canal
Location0.1 MI E of CO RD 41
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.01501, -104.67648
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span37 ft (11.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,382 (2022)
Projected traffic1,962 by 2042
Trucks37%
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 4 over Denver Hudson Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road 4 over Denver Hudson Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does County Road 4 over Denver Hudson Canal carry?

About 1,382 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is County Road 4 over Denver Hudson Canal?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 32 ft wide.

Who owns County Road 4 over Denver Hudson Canal?

It is owned by the County Highway Agency.