US Bridges

Carr Drive over Farmers Highline Canal

Fair

Jefferson County, Colorado · .25 MI North of 74th Ave · Structure no. ARVA-CR-0.25-01

Built
1975
50 years old
Condition
Fair
inspected March 2025
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
3,900
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carr Drive over Farmers Highline Canal is a prestressed concrete tee beam carrying Carr Drive over Farmers Highline Canal in Jefferson County, Colorado. It was built in 1975, so it is 50 years old, older 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 3,900 vehicles a day, roughly 2% of them trucks, projected to reach 4,485 by 2041. The structure is 42 ft (12.7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCarr Drive
CrossesFarmers Highline Canal
Location.25 MI North of 74th Ave
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.83536, -105.09578
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
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 typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.7 m)
Longest span38 ft (11.6 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2021)
Projected traffic4,485 by 2041
Trucks2%
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

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 Carr Drive over Farmers Highline Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Carr Drive 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 2025.

How much traffic does Carr Drive over Farmers Highline Canal carry?

About 3,900 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Carr Drive over Farmers Highline Canal?

The structure is 42 ft (12.7 m) long with a longest span of 38 ft (11.6 m) and a deck 56 ft wide.

Who owns Carr Drive over Farmers Highline Canal?

It is owned by the City or Municipal Highway Agency.