US Bridges

Sable Blvd over Highline Canal

Fair

Arapahoe County, Colorado · 0.5 MI S of 6th Ave · Structure no. AUR08.0-H.0

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
27 ft
1 main span
Daily traffic
12,122
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sable Blvd over Highline Canal is a aluminum, wrought iron, or cast iron arch - deck carrying Sable Blvd over Highline Canal in Arapahoe 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 12,122 vehicles a day, roughly 6% of them trucks, projected to reach 14,789 by 2041. The structure is 27 ft (8.2 m) long and 141 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSable Blvd
CrossesHighline Canal
Location0.5 MI S of 6th Ave
RouteCity Street 0
Coordinates39.71871, -104.81922
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating110.1 US tons
Inventory rating101.3 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width141 ft (43 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,122 (2021)
Projected traffic14,789 by 2041
Trucks6%
Lanes on structure4
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 Sable Blvd over Highline Canal built?

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

What condition is Sable Blvd over 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 October 2023.

How much traffic does Sable Blvd over Highline Canal carry?

About 12,122 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Sable Blvd over Highline Canal?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 141 ft wide.

Who owns Sable Blvd over Highline Canal?

It is owned by the City or Municipal Highway Agency.