US Bridges

County RD 3 over Larimer County Canal

Good

Larimer County, Colorado · N of CR 50 · Structure no. LR3-0.2-50-A

Built
2017
8 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
305
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 3 over Larimer County Canal is a prestressed concrete stringer/multi-beam or girder carrying County RD 3 over Larimer County Canal in Larimer County, Colorado. It was built in 2017, so it is 8 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 305 vehicles a day, roughly 22% of them trucks, projected to reach 382 by 2043. The structure is 63 ft (19.3 m) long and 39 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesCounty RD 3
CrossesLarimer County Canal
LocationN of CR 50
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.61252, -104.96277
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 inspectionApril 2023
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.3 m)
Longest span57 ft (17.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2023)
Projected traffic382 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 RD 3 over Larimer County Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is County RD 3 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 2023.

How much traffic does County RD 3 over Larimer County Canal carry?

About 305 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is County RD 3 over Larimer County Canal?

The structure is 63 ft (19.3 m) long with a longest span of 57 ft (17.3 m) and a deck 39 ft wide.

Who owns County RD 3 over Larimer County Canal?

It is owned by the County Highway Agency.