US Bridges

Colorado Blvd over Highline Canal

Good

Arapahoe County, Colorado · 0.30 MI N of Quincy Ave · Structure no. CHRY-01-0.30-1A

Built
1981
44 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
3,916
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colorado Blvd over Highline Canal is a concrete slab carrying Colorado Blvd over Highline Canal in Arapahoe County, Colorado. It was built in 1981, so it is 44 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,916 vehicles a day, roughly 6% of them trucks, projected to reach 4,778 by 2041. The structure is 25 ft (7.6 m) long and 57 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColorado Blvd
CrossesHighline Canal
Location0.30 MI N of Quincy Ave
RouteCity Street 0
Coordinates39.64284, -104.94073
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.9 US tons
Inventory rating24.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width57 ft (17.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,916 (2021)
Projected traffic4,778 by 2041
Trucks6%
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 Colorado Blvd over Highline Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Colorado Blvd over Highline Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Colorado Blvd over Highline Canal carry?

About 3,916 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Colorado Blvd over Highline Canal?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 57 ft wide.

Who owns Colorado Blvd over Highline Canal?

It is owned by the City or Municipal Highway Agency.