US Bridges

Rampart Range Road over Highline Canal

Fair

Douglas County, Colorado · 0.1 MI S of Titan Road · Structure no. DOU007-02.38A

Built
2007
18 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
12,559
2022 count
Owner
County
County Highway Agency

About this bridge

Rampart Range Road over Highline Canal is a concrete culvert carrying Rampart Range Road over Highline Canal in Douglas County, Colorado. It was built in 2007, so it is 18 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 12,559 vehicles a day, roughly 9% of them trucks, projected to reach 16,829 by 2042. The structure is 20 ft (6.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRampart Range Road
CrossesHighline Canal
Location0.1 MI S of Titan Road
RouteCounty Highway 0
CountyDouglas County
StateColorado
Coordinates39.50409, -105.07331
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 protection8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,559 (2022)
Projected traffic16,829 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Rampart Range Road over Highline Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is Rampart Range 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 Rampart Range Road over Highline Canal carry?

About 12,559 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Rampart Range Road over Highline Canal?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 34 ft wide.

Who owns Rampart Range Road over Highline Canal?

It is owned by the County Highway Agency.