Structure LR50-0.2-17-A · Larimer County, CO

CR 50 (willox Ln) over Larimer & Weld Canal

Carries CR 50 (willox Ln) over Larimer & Weld Canal, 0.2 Mi E Of Co RD 17.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT57 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 6/9 · sets the rating

57 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built201610 years old
Length57.4 ft17.5 m
Daily traffic6,416counted 2023
Last inspectedMarch 2025every 24 months

Location

StateColorado
CountyLarimer
Location0.2 Mi E Of Co RD 17
CarriesCR 50 (willox Ln)
CrossesLarimer & Weld Canal
Coordinates40.61083, -105.09111

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length57.4 ft (17.5 m)
Max Span50.9 ft (15.5 m)
Deck Width63.0 ft (19.2 m)
Deck Area336 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic6,416 (2023)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last InspectionMarch 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberLR50-0.2-17-A

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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