US Bridges

88th Avenue over Farmers Highline Canal

Fair

Jefferson County, Colorado · 2.75 MI West of Wadsworth · Structure no. ARVA-88-0.4-01

Built
1984
41 years old, rebuilt 2008
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
16,585
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

88th Avenue over Farmers Highline Canal is a concrete slab carrying 88th Avenue over Farmers Highline Canal in Jefferson County, Colorado. It was built in 1984 and reconstructed in 2008, so it is 41 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 16,585 vehicles a day, roughly 5% of them trucks, projected to reach 19,072 by 2041. The structure is 31 ft (9.4 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries88th Avenue
CrossesFarmers Highline Canal
Location2.75 MI West of Wadsworth
RouteCity Street 0
CountyJefferson County
StateColorado
Coordinates39.85656, -105.10761
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width87 ft (26.5 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,585 (2021)
Projected traffic19,072 by 2041
Trucks5%
Lanes on structure4
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 88th Avenue over Farmers Highline Canal built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2008.

What condition is 88th 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 88th Avenue over Farmers Highline Canal carry?

About 16,585 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 88th Avenue over Farmers Highline Canal?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 87 ft wide.

Who owns 88th Avenue over Farmers Highline Canal?

It is owned by the City or Municipal Highway Agency.