US Bridges

County Road 84 over Pierce Lateral Canal

Fair

Weld County, Colorado · 0.5 MI E of CO RD 25 · Structure no. WEL084.0-025.0A

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
95
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 84 over Pierce Lateral Canal is a steel stringer/multi-beam or girder carrying County Road 84 over Pierce Lateral Canal in Weld County, Colorado. It was built in 1990, so it is 35 years old, younger 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 95 vehicles a day, roughly 48% of them trucks, projected to reach 135 by 2043. The structure is 30 ft (9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 84
CrossesPierce Lateral Canal
Location0.5 MI E of CO RD 25
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.59633, -104.81977
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9 m)
Longest span27 ft (8.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2023)
Projected traffic135 by 2043
Trucks48%
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 84 over Pierce Lateral Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 84 over Pierce Lateral Canal 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 84 over Pierce Lateral Canal carry?

About 95 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is County Road 84 over Pierce Lateral Canal?

The structure is 30 ft (9 m) long with a longest span of 27 ft (8.1 m) and a deck 32 ft wide.

Who owns County Road 84 over Pierce Lateral Canal?

It is owned by the County Highway Agency.