US Bridges

Canterberry Parkwa over Tallman Gulch

Fair

Douglas County, Colorado · .2 MI N. of Hilltop Road · Structure no. PAR CANTBRY-0.2

Built
2003
22 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
6,121
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Canterberry Parkwa over Tallman Gulch is a concrete culvert carrying Canterberry Parkwa over Tallman Gulch in Douglas County, Colorado. It was built in 2003, so it is 22 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 5 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 6,121 vehicles a day, roughly 2% of them trucks, projected to reach 8,203 by 2041. The structure is 21 ft (6.4 m) long and 141 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCanterberry Parkwa
CrossesTallman Gulch
Location.2 MI N. of Hilltop Road
RouteCity Street 0
CountyDouglas County
StateColorado
Coordinates39.49294, -104.73352
Functional classUrban Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating67.2 US tons
Inventory rating40.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width141 ft (42.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,121 (2021)
Projected traffic8,203 by 2041
Trucks2%
Lanes on structure3
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Canterberry Parkwa over Tallman Gulch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Canterberry Parkwa over Tallman Gulch 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 Canterberry Parkwa over Tallman Gulch carry?

About 6,121 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Canterberry Parkwa over Tallman Gulch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 141 ft wide.

Who owns Canterberry Parkwa over Tallman Gulch?

It is owned by the Town or Township Highway Agency.