US Bridges

County Road 84 over Larimer County Canal

Good

Weld County, Colorado · 0.6 MI E of CO RD 19 · Structure no. WEL084.0-019.0A

Built
1990
35 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
96
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 84 over Larimer County Canal is a steel stringer/multi-beam or girder carrying County Road 84 over Larimer County 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 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 96 vehicles a day, roughly 21% of them trucks, projected to reach 136 by 2043. The structure is 41 ft (12.4 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 84
CrossesLarimer County Canal
Location0.6 MI E of CO RD 19
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.59596, -104.87734
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic136 by 2043
Trucks21%
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 Larimer County Canal built?

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

What condition is County Road 84 over Larimer County Canal 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 April 2024.

How much traffic does County Road 84 over Larimer County Canal carry?

About 96 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is County Road 84 over Larimer County Canal?

The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns County Road 84 over Larimer County Canal?

It is owned by the County Highway Agency.