US Bridges

64th Avenue over Farmers Highline Canal

Fair

Jefferson County, Colorado · Just E of Mcintyre Pkwy · Structure no. ARVA-64-0.28-01

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
24,068
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

64th Avenue over Farmers Highline Canal is a concrete culvert carrying 64th Avenue over Farmers Highline Canal in Jefferson County, Colorado. It was built in 1998, so it is 27 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 24,068 vehicles a day, roughly 4% of them trucks, projected to reach 27,678 by 2041. The structure is 21 ft (6.4 m) long and 124 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries64th Avenue
CrossesFarmers Highline Canal
LocationJust E of Mcintyre Pkwy
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.81264, -105.16947
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width124 ft (37.7 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,068 (2021)
Projected traffic27,678 by 2041
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 64th Avenue over Farmers Highline Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is 64th Avenue over Farmers Highline 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 2023.

How much traffic does 64th Avenue over Farmers Highline Canal carry?

About 24,068 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 64th Avenue over Farmers Highline Canal?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 124 ft wide.

Who owns 64th Avenue over Farmers Highline Canal?

It is owned by the City or Municipal Highway Agency.