US Bridges

Waterton Road over Highline Canal

Fair

Douglas County, Colorado · 0.5 MI from Waterton Cany · Structure no. DOU007-00.30A

Built
2009
16 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
13,977
2021 count
Owner
County
County Highway Agency

About this bridge

Waterton Road over Highline Canal is a concrete culvert carrying Waterton Road over Highline Canal in Douglas County, Colorado. It was built in 2009, so it is 16 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 13,977 vehicles a day, roughly 9% of them trucks, projected to reach 18,729 by 2041. The structure is 27 ft (8.2 m) long and 126 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesWaterton Road
CrossesHighline Canal
Location0.5 MI from Waterton Cany
RouteCounty Highway 0
CountyDouglas County
StateColorado
Coordinates39.48669, -105.09057
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width126 ft (38.5 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,977 (2021)
Projected traffic18,729 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Waterton Road over Highline Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is Waterton Road 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 January 2025.

How much traffic does Waterton Road over Highline Canal carry?

About 13,977 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Waterton Road 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 126 ft wide.

Who owns Waterton Road over Highline Canal?

It is owned by the County Highway Agency.