US Bridges

County Road 1 over Larimer County Canal

Good

Larimer County, Colorado · 0.5 Miles N of CO RD 48 · Structure no. LR901-0.5-48-A

Built
2001
24 years old
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
473
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 1 over Larimer County Canal is a prestressed concrete stringer/multi-beam or girder carrying County Road 1 over Larimer County Canal in Larimer County, Colorado. It was built in 2001, so it is 24 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 473 vehicles a day, roughly 19% of them trucks, projected to reach 592 by 2043. The structure is 75 ft (23 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 1
CrossesLarimer County Canal
Location0.5 Miles N of CO RD 48
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.60211, -104.94417
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating102.4 US tons
Inventory rating57.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (23 m)
Longest span69 ft (21 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic473 (2023)
Projected traffic592 by 2043
Trucks19%
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 1 over Larimer County Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is County Road 1 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 March 2025.

How much traffic does County Road 1 over Larimer County Canal carry?

About 473 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County Road 1 over Larimer County Canal?

The structure is 75 ft (23 m) long with a longest span of 69 ft (21 m) and a deck 38 ft wide.

Who owns County Road 1 over Larimer County Canal?

It is owned by the County Highway Agency.