US Bridges

CR 50 (willox Ln) over Larimer & Weld Canal

Fair

Larimer County, Colorado · 0.2 MI E of CO RD 17 · Structure no. LR50-0.2-17-A

Built
2016
9 years old
Condition
Fair
inspected March 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
6,416
2023 count
Owner
County
County Highway Agency

About this bridge

CR 50 (willox Ln) over Larimer & Weld Canal is a prestressed concrete box beam or girders - multiple carrying CR 50 (willox Ln) over Larimer & Weld Canal in Larimer County, Colorado. It was built in 2016, so it is 9 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 6,416 vehicles a day, roughly 6% of them trucks, projected to reach 8,020 by 2043. The structure is 57 ft (17.5 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCR 50 (willox Ln)
CrossesLarimer & Weld Canal
Location0.2 MI E of CO RD 17
RouteCounty Highway 0
CountyLarimer County
StateColorado
Coordinates40.61083, -105.09111
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length57 ft (17.5 m)
Longest span51 ft (15.5 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,416 (2023)
Projected traffic8,020 by 2043
Trucks6%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 50 (willox Ln) over Larimer & Weld Canal built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 50 (willox Ln) over Larimer & Weld 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 March 2025.

How much traffic does CR 50 (willox Ln) over Larimer & Weld Canal carry?

About 6,416 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is CR 50 (willox Ln) over Larimer & Weld Canal?

The structure is 57 ft (17.5 m) long with a longest span of 51 ft (15.5 m) and a deck 63 ft wide.

Who owns CR 50 (willox Ln) over Larimer & Weld Canal?

It is owned by the County Highway Agency.