US Bridges

County Road 80 over Larimer and Weld Canal

Good

Weld County, Colorado · 0.6 MI E of US HWY 85 · Structure no. WEL080.0_035.0A

Built
2022
3 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
229
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 80 over Larimer and Weld Canal is a prestressed concrete box beam or girders - multiple carrying County Road 80 over Larimer and Weld Canal in Weld County, Colorado. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 229 vehicles a day, roughly 40% of them trucks, projected to reach 325 by 2040. The structure is 33 ft (10 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 80
CrossesLarimer and Weld Canal
Location0.6 MI E of US HWY 85
RouteCounty Highway 0
Coordinates40.56822, -104.71653
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating88.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10 m)
Longest span28 ft (8.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229 (2020)
Projected traffic325 by 2040
Trucks40%
Lanes on structure3
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 80 over Larimer and Weld Canal built?

It was built in 2022, making it 3 years old in 2025.

What condition is County Road 80 over Larimer and Weld 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 February 2024.

How much traffic does County Road 80 over Larimer and Weld Canal carry?

About 229 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is County Road 80 over Larimer and Weld Canal?

The structure is 33 ft (10 m) long with a longest span of 28 ft (8.4 m) and a deck 55 ft wide.

Who owns County Road 80 over Larimer and Weld Canal?

It is owned by the County Highway Agency.