US Bridges

County Road 21 over Greeley Canal No. 2

Fair

Weld County, Colorado · 0.3 MI N of ST HWY 392 · Structure no. WIN021.0_068.0A

Built
2013
12 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
36 ft
1 main span
Daily traffic
1,819
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 21 over Greeley Canal No. 2 is a concrete frame carrying County Road 21 over Greeley Canal No. 2 in Weld County, Colorado. It was built in 2013, so it is 12 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 1,819 vehicles a day, roughly 9% of them trucks, projected to reach 2,983 by 2032. The structure is 36 ft (10.9 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 21
CrossesGreeley Canal No. 2
Location0.3 MI N of ST HWY 392
RouteCity Street 0
CountyWeld County
StateColorado
Coordinates40.48389, -104.87028
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating56.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length36 ft (10.9 m)
Longest span34 ft (10.4 m)
Deck width53 ft (16.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,819 (2012)
Projected traffic2,983 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 21 over Greeley Canal No. 2 built?

It was built in 2013, making it 12 years old in 2025.

What condition is County Road 21 over Greeley Canal No. 2 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 2024.

How much traffic does County Road 21 over Greeley Canal No. 2 carry?

About 1,819 vehicles per day (2012 count), of which roughly 9% are trucks.

How long is County Road 21 over Greeley Canal No. 2?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.4 m) and a deck 53 ft wide.

Who owns County Road 21 over Greeley Canal No. 2?

It is owned by the Town or Township Highway Agency.