US Bridges

US 287 Ml over Farmers Highline Canal

Fair

Adams County, Colorado · 3.9 MI No of JCT US 36 · Structure no. E-16-C

Built
1951
74 years old, rebuilt 1969
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
27,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Farmers Highline Canal is a concrete slab carrying US 287 Ml over Farmers Highline Canal in Adams County, Colorado. It was built in 1951 and reconstructed in 1969, so it is 74 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 27,000 vehicles a day, roughly 2% of them trucks, projected to reach 32,940 by 2040. The structure is 29 ft (8.8 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 287 Ml
CrossesFarmers Highline Canal
Location3.9 MI No of JCT US 36
RouteU.S. Route 287C
Coordinates39.89329, -105.02488
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating53.4 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.1 m)
Deck width94 ft (28.5 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic32,940 by 2040
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 287 Ml over Farmers Highline Canal built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1969.

What condition is US 287 Ml 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 February 2025.

How much traffic does US 287 Ml over Farmers Highline Canal carry?

About 27,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 287 Ml over Farmers Highline Canal?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.1 m) and a deck 94 ft wide.

Who owns US 287 Ml over Farmers Highline Canal?

It is owned by the State Highway Agency.